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It's hard not to stand in complete awe of everything the Earth has to offer when you're in the middle of Yellowstone National Park.

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Curiosity opening Martian frontier?updated: Sun Aug 05 2012 10:39:00

This weekend, Curiosity lands on Mars. That's the name of a one-ton roving robotic laboratory, part of NASA's four-ton Mars Science Laboratory spacecraft now hurtling toward the planet.

NASA scientist links climate change, extreme weatherupdated: Sun Aug 05 2012 00:39:00

What do the 2010 heat wave in Russia, last year's Texas drought, and the 2003 heat wave in Europe have in common?

Why is the 'God particle' a big deal?updated: Tue Jul 24 2012 05:59:00

Theoretical physicist Michio Kaku explains the larger implications of the God Particle's discovery.

Baby eagle 'Phoenix' survives wildfiresupdated: Tue Jul 10 2012 16:49:00

Buz Marthaler with the Wildlife Rehabilitation Center of Northern Utah on golden eagle 'Phoenix's' story of survival.

Extreme weather: Get ready to see more of it, scientists sayupdated: Tue Jul 10 2012 16:49:00

A map of significant climate events for the United States in June looks almost apocalyptic: hellish heat, ferocious fires and severe storms leaving people injured, homeless and even dead.

Higgs and the holy grail of physicsupdated: Fri Jul 06 2012 10:51:00

Our understanding of physical reality ? of everything and nothing ? has changed forever. We don't yet know where we are heading, but nothing will ever be the same. As a scientist, I don't know what more I could ask for.

What is the Higgs boson and why is it important?updated: Wed Jul 04 2012 07:21:00

Scientists say they are almost certain they have proven the existence of the Higgs boson -- a never-before-seen subatomic particle long thought to be a fundamental building block of the universe.

The 'God particle': Have we found it?updated: Wed Jul 04 2012 07:21:00

Physicist Martin Archer discusses evidence that the so-called "God particle" actually exists.

Jagger urges leaders to 'Plant a Pledge' to plug emissions gap updated: Fri Jun 22 2012 05:53:00

"We are reaching the tipping point and the tipping point according to most scientists will be in less than 10 years. We don't have much time," says human rights and environmental campaigner, Bianca Jagger.

Black hole hunting satellite launchedupdated: Thu Jun 14 2012 09:57:00

Black hole-hunting satellite NuSTAR launched from a plane over the Pacific Ocean.

Solving the mystery of black holesupdated: Thu Jun 14 2012 09:57:00

In Ballroom E of the Den'aina conference center here Wednesday, a small group of astronomers and journalists listened to the NASA feed from Kwajalein island, between Hawaii and Australia, where a Pegasus rocket aboard an L1011 plane was about to launch the NuSTAR space telescope. I was there as a member of the science team for NuSTAR, which is part of NASA's Small Explorer program

More record warmth as scientists warn of global climate tipping pointupdated: Fri Jun 08 2012 16:33:00

It's hot out there. But this time, it's more than idle water cooler talk, according to weather scientists.

Transit of Venus highlights age of wondrous scientific activityupdated: Tue Jun 05 2012 21:56:00

Tonight, Tuesday, June 5, as the sun set on the East Coast, the planet Venus began its "transit" across the face of the sun. Pay close attention: Barring a miracle of future medicine, this is your only chance to witness such a crossing. The next one will take place in 2117.

Weather Service improperly shifted government funds updated: Mon May 28 2012 19:45:00

The director of the National Weather Service announced his sudden retirement last week after an internal investigation found the agency shifted some of its funding internally without asking Congress, according to officials familiar with the situation.

NOAA predicts near-normal hurricane seasonsupdated: Thu May 24 2012 13:19:00

Despite some early storms this year, forecasters Thursday predicted a near-normal Atlantic hurricane season with nine to 15 named storms, including four to eight hurricanes and one to three major hurricanes.

Annular solar eclipse in western U.S.updated: Sun May 20 2012 19:05:00

An annular solar eclipse will be visible in the western U.S on May 20. The next one won't happen in the U.S. until 2023.

Solar eclipse projects 'ring of fire' across Asia, Pacificupdated: Sun May 20 2012 19:05:00

The shadow of the moon started sweeping across the globe from Hong Kong to the Texas Panhandle as a rare annular solar eclipse began Monday morning in Asia.

Upcoming solar eclipse to project 'ring of fire'updated: Sat May 19 2012 03:27:00

Thousands of people are planning viewing parties for the upcoming annular solar eclipse, a rare event in which the sun will appear as a thin ring behind the moon.

Weekend solar eclipse to project 'ring of fire'updated: Fri May 18 2012 21:30:00

Thousands of people are planning viewing parties in the western United States for Sunday's annular solar eclipse, a rare event in which the sun will appear as a thin ring behind the moon.

200-year-old shipwreck discovered in northern Gulf of Mexicoupdated: Thu May 17 2012 10:33:00

A wooden ship believed to be over 200 years old was discovered during a recent exploration of the northern Gulf of Mexico, according to a press release from the U.S. National Oceanic and Atmospheric Administration (NOAA).

Science journal could give recipe for deadly avian flu virus updated: Sun May 13 2012 10:53:00

A science journal is poised to publish a study that some experts believe could give a recipe to bioterrorists.

Photographer's images of global warmingupdated: Fri May 04 2012 08:23:00

Photographer Roger Moukarzel's exhibition showcases his work highlighting the effects of global warming in Sweden.

NOAA pulls ad seeking magician for training eventupdated: Thu May 03 2012 18:11:00

In the wake of the GSA convention scandal that is still reverberating across the government, officials at the National Oceanic and Atmospheric Administration on Thursday pulled a help-wanted ad for a magician to appear at a leadership training event for its staff in the Washington area next month.

Company aims to mine resource-rich asteroids updated: Tue Apr 24 2012 21:05:00

Eric Anderson and Peter Diamandis pioneered the business of sending millionaire tourists to space. Now they want to mine asteroids for what they say will be tens of billions of dollars worth of resources annually for use on Earth and beyond.

Using science to bring together enemies updated: Wed Apr 18 2012 10:21:00

While tensions remain high between the United States and North Korea, the relationship is more cordial between their scientists.

Volcanic activity recorded at mountain near Mexico Cityupdated: Tue Apr 17 2012 17:08:00

Scientists recorded continuing volcanic activity Tuesday in Mexico's Popocatepetl volcano, which sits just southeast of Mexico City and its more than 19 million residents.

U.S. sees warmest March in recorded history, NOAA reportsupdated: Mon Apr 09 2012 14:30:00

March 2012 will go down as the warmest March in the United States since record-keeping began in 1895, NOAA said Monday.

Mountain countries seek to unite, air concerns about climate changeupdated: Fri Apr 06 2012 14:12:00

Mountain countries from around the world are seeking a common voice in global climate change negotiations to draw attention to the vulnerabilities of mountain areas.

Climate scientists and smear campaignsupdated: Wed Mar 28 2012 08:36:00

Imagine you are sitting in your office simply doing your job and a nasty e-mail pops into your inbox accusing you of being a fraud. You go online and find that some bloggers have written virulent posts about you. That night, you're at home with your family watching the news and a talking head is lambasting you by name. Later, a powerful politician demands all your e-mails from your former employer.

Forecasters: Warm weather here to stayupdated: Thu Mar 15 2012 21:05:00

Most Americans can put away winter coats and umbrellas and break out the short sleeves and sunglasses even though spring doesn't officially begin until next week, according to the National Oceanic and Atmospheric Administration.

La Nina to blame for Australian floods updated: Tue Mar 06 2012 19:29:00

Australia is emerging from the grip of its strongest La Nina weather pattern on record -- a meteorological event that brings either devastating floods or, in the case of its counterpart El Nino, scorching droughts.

La Nina to blame for Australia floodingupdated: Tue Mar 06 2012 19:29:00

CNN's Jenny Harrison reports on the effects of La Nina on the severe flooding in Australia.

Florida group rebuilds vital coral reefsupdated: Thu Mar 01 2012 21:42:00

It was more than 40 years ago, but Ken Nedimyer still remembers the first time he went diving in the Florida Keys.

CNN Hero: Ken Nedimyerupdated: Thu Mar 01 2012 21:42:00

Ken Nedimyer and his nonprofit are working to restore endangered coral reefs in the Florida Keys.

Hawaii for beach hatersupdated: Mon Feb 27 2012 07:35:00

What's the first thing you think of when you think of Hawaii? The foaming-white sea lapping at a golden-sand beach surrounded by palm trees swaying in the breeze? Well, sure -- Hawaii's one of the world's ultimate beach destinations, an island paradise made for basking in the sun sipping daiquiris or hitting the waves to surf some righteous tubes.

Volcano erupts in Indonesia, hurling ash cloud into the skyupdated: Thu Feb 09 2012 21:33:00

A restless volcano in northern Indonesia erupted Friday, spewing clouds of ash as high as 2 kilometers into the sky, the country's National Disaster Management Agency said.

Bird flu tests seen as terror threatupdated: Wed Feb 01 2012 10:11:00

The U.S. government wants medical journals to withhold bird flu test information over fear of bio-terror threats.

Bird flu data should be kept under wraps, science panel saysupdated: Wed Feb 01 2012 10:11:00

Details of a genetically altered strain of the deadly avian flu virus are "a grave concern" to public safety and should be kept under wraps, a federal advisory board declared Tuesday.

Alaskan volcano could erupt, disrupt international air travel updated: Wed Feb 01 2012 05:05:00

Officials are monitoring a remote Alaska volcano that could launch an ash cloud, potentially threatening intercontinental flights.

Tokyo sees high quake probability, scientists warnupdated: Fri Jan 27 2012 10:24:00

Tokyo faces the possibility of being hit by a massive earthquake within the next four years, according to Japanese researchers.

Debris threatens coastlinesupdated: Fri Jan 27 2012 10:24:00

Debris from an earthquake and tsunami that struck Japan is making its way across the Pacific Ocean.

Scientists back 'significant broadening' of climate research amid tight budgetsupdated: Thu Jan 05 2012 18:31:00

U.S. scientists want to expand research into climate change to focus on its social effects and ways to adapt to a changing planet, but tighter budgets may crimp those plans, the National Academy of Sciences reported Thursday.

NASA discovers planet similar to Earthupdated: Mon Dec 26 2011 07:33:00

Kepler-22b is the first planet in the "habitable zone" with liquid water on its surface discovered by NASA's Kepler mission.

Two new Earths and the search for lifeupdated: Mon Dec 26 2011 07:33:00

Americans were enthralled by fake reports of an alien invasion in the Orson Welles "War of the Worlds" radio broadcast on Halloween Eve in 1938. Hundreds of science fiction movies from the 1902 silent epic "A Trip to the Moon" (featured in the current film "Hugo") to "Star Wars" to this year's "Cowboys and Aliens" have fed a deep curiosity about intelligent beings elsewhere in the universe.

Canada: First out of a sinking Kyoto ship?updated: Tue Dec 13 2011 11:43:00

For Canada, the cost of either meeting its commitments under the Kyoto Protocol, or failing to do so, was too much to bear.

China shifts carbon emissions positionupdated: Sun Dec 11 2011 08:46:00

China is open to accept a legally binding global agreement to reduce carbon emissions. CNN's Robyn Curnow explains.

Delegates at climate talks agree to extend efforts of Kyoto Protocol updated: Sun Dec 11 2011 08:46:00

An agreement reached Sunday in South Africa will help tackle the challenges of climate change for years to come, the United Nations' chief said.

West Coast had best seat for total lunar eclipseupdated: Sat Dec 10 2011 16:29:00

The moon disappeared from view along the U.S. West Coast on Saturday amid a total lunar eclipse.

America can't afford to lose its grip on scienceupdated: Thu Dec 08 2011 10:04:00

On a recent visit to Barcelona, Spain, my local translator, who told me he was becoming increasingly interested in physics as he listened to my responses to reporters' questions, commented that he couldn't believe the biggest advances in my field will come not from America but from Europe -- for him, an unexpected turn.

Keep Hubble successor on trackupdated: Tue Dec 06 2011 06:06:00

Nearly everyone I meet has heard of the Hubble Space Telescope. Many have seen its beautiful images of the birthplace of new stars and planetary systems, or of the "gravitational lenses" that reveal a mysterious "dark matter" that dwarfs the amount of matter bound up in stars or galaxies.

Seeking a solution to global warmingupdated: Tue Nov 29 2011 11:29:00

CNN's Robyn Curnow reports from the 17th U.N. Climate Change Summit in Durban, South Africa.

Could big cities lead the fight against climate change?updated: Mon Nov 28 2011 06:33:00

They are the world's cultural capitals, the nerve centers of innovation and the engine rooms of economic growth, but could cities also hold the key to cutting carbon emissions long-term?

New e-mail leak from UK climate research centerupdated: Wed Nov 23 2011 09:43:00

A second batch of e-mails thought to originate from the UK research unit involved in the "Climategate" controversy in 2009 has been posted on the Internet.

Is empathy in our genes?updated: Tue Nov 15 2011 07:57:00

A large part of how we relate to people emotionally may be hardwired into our DNA. A new study suggests that character traits such as being open, caring, and trusting are so strongly linked to a certain gene variation that a total stranger, simply by watching us listen to another person, may be able to guess whether we have the variation with a high degree of accuracy.

Giant asteroid passes close to Earth updated: Tue Nov 08 2011 19:19:00

An asteroid the size of an aircraft carrier passed within the moon's orbit Tuesday, the closest approach by an object that large in more than 30 years.

Asteroid to pass close to Earthupdated: Tue Nov 08 2011 19:19:00

Kevin Yates of the Near Earth Objects Information Centre discusses an asteroid that is to pass close to Earth.

When computer science makes it realupdated: Wed Nov 02 2011 17:19:00

Computer scientist Adrien Treuille explains how the science seen in video games can have an impact in the real world

Don't call our satellite 'space junk'updated: Sun Oct 30 2011 09:20:00

Last weekend, another large piece of "space junk" tumbled to Earth, perhaps in Southeast Asia. Many people -- if they noted the event at all -- probably worried about being hit on the head, even though the odds are overwhelmingly against such a catastrophe (trillions to one).

New climate study deals blow to skeptics updated: Fri Oct 21 2011 10:06:00

An independent study of global temperature records has reaffirmed previous conclusions by climate scientists that global warming is real.

Drought to continue in Southern plains, officials sayupdated: Thu Oct 20 2011 14:16:00

The Southern Plains of the United States are likely to see a continuation of a severe drought this winter, while the Pacific Northwest will be colder and wetter than average, according to data released Thursday by the National Oceanic and Atmospheric Administration.

Jeras: Preparedness, communication key during tornadoesupdated: Wed Oct 19 2011 00:58:00

With at least 1,488 tornadoes and 547 deaths, 2011 has been one for the record books. Although the tools forecasters use are getting better, concerns remain about whether residents have enough accurate information or are heeding warnings.

Climate change is shrinking species, study warns updated: Mon Oct 17 2011 13:09:00

Climate change is shrinking many plant and animal species and is likely to have a negative impact on human nutrition in the future, according to a new study.

Scientists studying universe's expansion win Nobel Prize in Physicsupdated: Tue Oct 04 2011 12:14:00

The astounding discovery that our universe apparently is expanding at an accelerating rate some 14 billion years after the Big Bang has earned three scientists the 2011 Nobel Prize in Physics, the Royal Swedish Academy of Sciences announced Tuesday.

Trial delayed of scientists accused over L'Aquila quakeupdated: Sat Oct 01 2011 11:24:00

The trial for seven people accused of manslaughter in connection to an earthquake that killed more than 300 people in the Italian city of L'Aquila was pushed back Saturday to mid-October.

Faster than the speed of light?updated: Sat Sep 24 2011 00:32:00

CNN's Atika Shubert reports on the possible discovery of a particle able to travel faster than the speed of light.

Scientists: Particles appear to travel faster than lightupdated: Sat Sep 24 2011 00:32:00

Scientists in Switzerland say an experiment appears to show that tiny particles traveled faster than the speed of light -- a result that would seem to defy the laws of nature.

2010: World's biggest science experimentupdated: Fri Sep 23 2011 12:24:00 visits the Large Hadron Collider, the world's biggest, most expensive and most feared science experiment.

Lesson of a falling satelliteupdated: Fri Sep 23 2011 11:34:00

Did you hear about the 6-ton NASA satellite expected to fall to on Earth on Friday?

Italian scientists on trial over L'Aquila earthquakeupdated: Tue Sep 20 2011 16:52:00

Seven people went on trial for manslaughter Tuesday in Italy, accused of failing to predict an earthquake that killed more than 300 people in L'Aquila in April 2009.

Weather experts: U.S. summer hottest in past 75 yearsupdated: Thu Sep 08 2011 21:37:00

The summer of 2011 was the second hottest on record for the United States, and the hottest in 75 years, government weather experts said Thursday.

Why are hurricane forecasts still so rough?updated: Wed Aug 31 2011 06:13:00

At one time or another, Hurricane Irene posed a risk to almost everyone living along the Eastern Seaboard, from Florida to the Canadian Maritimes. Where would Irene track? Which communities would be affected, and how badly?

North Carolina preparing for Ireneupdated: Wed Aug 31 2011 06:13:00

Hurricane warnings have been issued for North Carolina. CNN's John Zarrella is in Atlantic Beach as that town prepares.

Don't mock the weatherguy -- or elseupdated: Tue Aug 30 2011 05:40:00

Before the last drops of rain from Hurricane Irene had dried, the attacks began on meteorologists for not accurately forecasting the exact strength of this weather system.

FEMA: 5 million without power from Ireneupdated: Tue Aug 30 2011 05:40:00

FEMA Director Craig Fugate says a little more than 5 million are without power after Hurricane Irene.

NOAA: Weather satellites are in jeopardyupdated: Wed Aug 24 2011 15:00:00

It's easy enough to take for granted how much we know about the weather these days. Take Hurricane Irene: There are plenty of weather maps showing the path of that storm, which is churning through the Caribbean on its way to the East Coast of the United States. We have a pretty good idea of where Irene is heading and how strong it will be when it hits land.

East Coast quake rattles millionsupdated: Wed Aug 24 2011 09:25:00

A 5.8-magnitude quake rattled nerves all along the East Coast Tuesday. CNN's Brian Todd reports.

Why quake rang like a bellupdated: Wed Aug 24 2011 09:25:00

Earthquakes of the intensity felt Tuesday along a vast corridor of the East Coast don't come along too often in this region, geophysicist Rowena Lohman says. They are so rare "that it is very difficult for earth scientists to identify specific faults (in the area) that are 'active,' " she says, "where over time we would expect significant earthquakes to occur."

A good planet is hard to findupdated: Sun Aug 21 2011 10:14:00

It was much too late on a Tuesday when a fellow astronomer friend and I found ourselves catching a cab back to Berkeley, having missed the last train home. My friend promptly dozed off in the taxi, leaving me to chat with our driver -- who wondered how we could be out so late with jobs to go to in the morning.

Finding planets around other starsupdated: Sun Aug 21 2011 10:14:00

Lucianne Walkowicz discusses the techniques she is using to find planetary systems, including those similar to Earth's.

Amoeba kills teen girlupdated: Wed Aug 17 2011 16:05:00

A teen girl dies from a microscopic amoeba she inhaled while swimming in a river. Her mother speaks about the tragedy.

Brain-eating amoebas blamed in three deathsupdated: Wed Aug 17 2011 16:05:00

It's eerie but it's true: Three people have died this summer after suffering rare infections from a waterborne amoeba that destroys the brain.

Tackling climate change still a luxury in developing worldupdated: Wed Aug 17 2011 06:23:00

A few years ago I came across a newspaper article about illegal human trafficking into the EU.

Recent solar flare may disrupt your GPSupdated: Mon Aug 08 2011 14:02:00

We're nearing the peak of the 11-year solar cycle, so double-check your GPS and watch where you're going.

Heavenly discoveries, earthly inventionsupdated: Tue Aug 02 2011 08:47:00

Astronomers just discovered the largest reservoir of water ever, roughly 140 trillion times the volume of the Earth's oceans. With severe drought afflicting Africa, Asia and the southern United States, you might ask whether this offers a solution to earthly afflictions.

San Francisco passes cell phone radiation law, but what's the risk?updated: Thu Jul 28 2011 19:05:00

On Tuesday, the San Francisco Board of Supervisors passed a new ordinance requiring cell phone retailers to display and distribute a state-produced fact sheet that explains radio frequency emissions from cell phones and how consumers can minimize their exposure.

Atlantis' final landingupdated: Thu Jul 21 2011 17:01:00

NASA celebrates as shuttle Atlantis returns home from its final mission.

Space is still the new frontierupdated: Thu Jul 21 2011 17:01:00

Atlantis, the last space shuttle, returned to Earth on Thursday and will go to its post-retirement gig at the Kennedy Space Center Visitor Complex. After more than 30 years and 135 shuttle flights by literally hundreds of astronauts, NASA has reason to be proud.

Tiny fourth moon discovered in Pluto's orbitupdated: Wed Jul 20 2011 11:04:00

While searching for rings around the dwarf planet Pluto, NASA astronomers made an unintentional discovery -- Pluto has a fourth moon.

Study: Changes to ocean expected to damage shellfish around worldupdated: Mon Jul 18 2011 04:45:00

Massive global greenhouse gas pollution is changing the chemistry of the world's oceans so much that scientists now predict it could severely damage shellfish populations and the nations that depend on the harvests if significant action isn't taken.

More than 4,000 evacuated after Indonesia volcano eruptionupdated: Fri Jul 15 2011 01:24:00

More than 4,000 residents have been evacuated from a central Indonesian province after a volcano erupted, sending smoke high into the sky.

Report: Oceans at risk of 'extinction'updated: Wed Jul 13 2011 08:13:00

CNN's Zain Verjee talks with Alex Rogers about a new report warning that the world's oceans are at a risk of extinction.

Marine life facing mass extinction, report saysupdated: Wed Jul 13 2011 08:13:00

Marine life is under severe threat from global warming, pollution and habitat loss, with a high risk of "major extinctions" according to a panel of experts.

How medicine is advancing beyond raceupdated: Fri Jul 08 2011 07:41:00

No matter what race you consider yourself to be, you have a unique genetic makeup.

Chilean volcano ash causes fresh disruptionupdated: Wed Jun 29 2011 05:07:00

An ash cloud from a Chilean volcano is disrupting air travel in Australia and New Zealand once again, airlines said Wednesday.

Ash cloud grounds flights againupdated: Wed Jun 22 2011 06:15:00

An ash cloud from a Chilean volcano is drifting around the world for a second time, grounding flights in Australia.

Chilean ash cloud grounds Australian flights againupdated: Tue Jun 21 2011 21:39:00

An ash cloud drifting around the world for a second time after spewing from a Chilean volcano more than two weeks ago is once again grounding commercial jets and stranding passengers in Australia.

Justices reject multistate lawsuit over global warmingupdated: Mon Jun 20 2011 13:50:00

The Supreme Court on Monday unanimously tossed out a massive lawsuit brought by several states against private power companies whose greenhouse-gas emissions are accused of presenting a "public nuisance."

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