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Mars rover set to zap rock, analyze chemicalsupdated: Sat Aug 18 2012 16:27:00

Martian rock #N165, it's your time to shine, or glow, or whatever occurs when a hard substance gets zapped by a laser beam.

India announces Mars missionupdated: Thu Aug 16 2012 01:35:00

India celebrated it's Independence day with an out of this world announcement. CNN's Ram Ramgopal has the story.

Mars rover mission's 'Mohawk Guy' inspires Obamaupdated: Mon Aug 13 2012 14:07:00

"Mohawk Guy," a Mars rover flight director, isn't just a social media sensation -- he made an impression on President Barack Obama, too.

Is the Mars rover vain?updated: Thu Aug 09 2012 15:44:00

The Mars rover, Curiosity, has been busy tweeting pics of itself from exotic locations. CNN's John Zarrella reports.

Curiosity causes Internet to explode with joyupdated: Thu Aug 09 2012 15:44:00

It inspired childlike moments of wonder. It was a feeling that many had not felt since NASA's final space shuttle launch, Atlantis in July 2011.

Curiosity tweets Mars landingupdated: Mon Aug 06 2012 16:45:00

Watch animation of Curiosity's journey to the surface of Mars, told through tweets the rover sent en route.

Rover Curiosity just hours from Marsupdated: Sun Aug 05 2012 22:09:00

Humanity's curiosity about Mars has led to an exciting event: the dramatic landing of an SUV-sized rover, set for 1:31 a.m. ET Monday.

Bill Nye and the 'PB&J' of spaceupdated: Mon Jul 02 2012 08:53:00

What's the cost to science if the U.S. slows down its exploration of other worlds? Bill Nye explains.

Bill Nye: U.S. risks losing its space edgeupdated: Mon Jul 02 2012 08:53:00

Years before Bill Nye became the Science Guy, he was a mechanical engineering student at Cornell University, where he took a course with astronomer Carl Sagan.

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.

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.

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.

The search for life in outer spaceupdated: Tue Dec 06 2011 11:05:00

CNN's John Zarrella reports on a growing body of evidence that there is life beyond Earth.

Planet confirmed that could have waterupdated: Tue Dec 06 2011 11:05:00

Kepler-22b is the first confirmed planet in the "habitable zone," the area around a star where a planet could exist with liquid water on its surface, that has been discovered by NASA's Kepler mission.

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.

Asteroid to travel close to Earthupdated: Tue Nov 08 2011 09:53:00

On Tuesday, asteroid 2005 YU55 is scheduled to pass near Earth, slightly closer than the moon.

Earth's close encounter with an asteroidupdated: Tue Nov 08 2011 09:53:00

On Tuesday, asteroid 2005 YU55 is scheduled to pass near Earth, slightly closer than the moon. If you've seen the "Asteroid" (1997) or "Deep Impact" (1998) movies, you know why people pay attention to what NASA calls "potentially hazardous objects": A large asteroid hitting the Earth could cause global catastrophe.

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.

NASA announces next Mars rover's landing siteupdated: Fri Jul 22 2011 16:24:00

Could there have been life on Mars? That's the mission NASA is setting out to answer with Curiosity, the next-generation Mars rover whose landing site was announced Friday at the National Air and Space Museum's annual Mars Day.

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.

NASA spacecraft to enter asteroid orbitupdated: Fri Jul 15 2011 22:49:00

Atlantis, which took off last week on NASA's final space shuttle voyage, won't be the only spacecraft to make significant steps this year.

Russian Mars mission lands on red planet -- virtuallyupdated: Mon Feb 14 2011 21:37:00

Cosmonauts walked on the surface of Mars on Monday, nearly a year into a mission to the red planet. Unfortunately, it's only a simulation, designed to test what would happen on a real flight to Mars.

Kepler space telescope spots five Earth-sized planets in our galaxyupdated: Wed Feb 02 2011 20:18:00

Are we alone in the universe? Findings by NASA's Kepler space telescope are making that seem less likely.

Research station in Utah desert is glimpse of life on Marsupdated: Wed Jan 19 2011 11:46:00

Travel twenty minutes north of this tiny town, to the craggy red desert of the San Rafael Swell, and you may discover a spaceship.

Life on Mars simulated in Utah desertupdated: Wed Jan 19 2011 11:46:00

Mars enthusiasts simulate life on the Red Planet at a research station in the Utah desert. Go to VBS.TV for more.

NASA finds new planetupdated: Tue Jan 11 2011 14:16:00

NASA Researcher Natalie Batalha spoke to CNN's Kristie Lu Stout about a new planet outside our solar system.

NASA spots smallest planet yet found outside our solar systemupdated: Tue Jan 11 2011 14:16:00

A NASA spacecraft has detected a rocky planet that is the smallest ever discovered outside the Sun's solar system, the agency announced Monday.

Astronomers: Newly discovered planet may be able to support lifeupdated: Fri Oct 01 2010 10:04:00

Astronomers have discovered a new planet that just may be able to support life in a nearby solar system a mere 20 light years from Earth.

Life on another planet?updated: Fri Oct 01 2010 10:04:00

Astronomer Derrick Pitts talks about the possibility of life on a recently discovered planet.

Kepler space telescope finds pair of distant planets, NASA saysupdated: Thu Aug 26 2010 23:32:00

Two planets slightly smaller than Saturn have been discovered orbiting a distant star, a first for NASA's Kepler space telescope, whose mission is to look for signs of planets passing in front of stars, the space agency said Thursday.

NASA to announce discovery of 'intriguing planetary system'updated: Thu Aug 26 2010 11:57:00

For more than a year, the spacecraft Kepler has been combing the vastness of space looking for Earth-like planets.

Planets may answer age-old questionsupdated: Tue Jul 27 2010 11:37:00

Astronomer Dimitar Sasselov searches for Earthlike planets that may answer questions about the origin of life elsewhere.

Our galaxy is rich in Earth-sized planetsupdated: Tue Jul 27 2010 11:37:00

Since the time of Nicolaus Copernicus five centuries ago, people have wondered whether there are other planets like Earth in the universe. Today scientists are closer than ever to an answer -- and it appears to be that the Milky Way galaxy is rich in Earth-sized planets, according to astronomer Dimitar Sasselov.

Atlantis returns homeupdated: Wed May 26 2010 10:41:00

Space shuttle Atlantis lands safely at Florida's Kennedy Space Center, completing its final mission.

Atlantis returns from final space missionupdated: Wed May 26 2010 10:41:00

Space shuttle Atlantis landed here Wednesday, concluding the final mission of its 25-year career.

Jupiter cloud belt missing again, scientists sayupdated: Thu May 20 2010 16:24:00

Scientists don't know why, but one of Jupiter's two main cloud belts has disappeared -- again.

NASA moves forward with Mars exploration planupdated: Mon Jan 11 2010 15:56:00

NASA has big plans for its Mars Exploration Program.

Real life 'Avatar' moon waiting to be found, scientists sayupdated: Tue Jan 05 2010 04:29:00

The portrayal of alien life on far-flung planets has been a favorite storyline for filmmakers down the years and is a perennial hit with audiences. "Avatar" has proved no different with the film doing record business at the box-office.

Life not on earth?updated: Tue Jan 05 2010 04:29:00

Following the success of Avatar, Lisa Kaltenegger explains how close we are to discovering new worlds.

32 planets discovered outside solar systemupdated: Mon Oct 19 2009 16:30:00

Thirty-two planets have been discovered outside Earth's solar system through the use of a high-precision instrument installed at a Chilean telescope, an international team announced Monday.

First rocky planet found outside solar systemupdated: Wed Sep 16 2009 15:17:00

Scientists have discovered the first confirmed Earthlike planet outside our solar system, they announced Wednesday.

What's a planet? Debate over Pluto rages onupdated: Tue Aug 25 2009 10:22:00

For one of the farthest, coldest places in the solar system, Pluto sure stirs a lot of hot emotions right here on Earth.

Mystery impact leaves Earth-size mark on Jupiterupdated: Tue Jul 21 2009 12:29:00

Jupiter is sporting a new scar after an unseen object hit the gaseous planet this week, NASA scientists say.

Searching for other Earthsupdated: Sun Mar 08 2009 20:34:00

CNN's John Zarrella reports that NASA is starting an unprecedented search for planets where life is possible.

Spacecraft blasts off in search of 'Earths'updated: Sun Mar 08 2009 20:34:00

Calling it a mission that may fundamentally change humanity's view of itself, NASA on Friday launched a telescope that will search our corner of the Milky Way galaxy for Earth-like planets.

Countdown to NASA search for Earth-like planetsupdated: Fri Mar 06 2009 10:04:00

The U.S. space agency NASA will launch its first ever mission Friday to find Earth-like planets in our region of the Milky Way.

Galaxy may be full of 'Earths,' alien lifeupdated: Wed Feb 25 2009 22:11:00

As NASA prepares to hunt for Earth-like planets in our corner of the Milky Way galaxy, there's new buzz that "Star Trek's" vision of a universe full of life may not be that far-fetched.

In search of aliensupdated: Wed Nov 26 2008 12:02:00

Miles O'Brien explores the possibility of intelligent life beyond Earth.

Probing the cosmos: Is anybody out there?updated: Wed Nov 26 2008 12:02:00

From a remote valley in Northern California, Jill Tarter is listening to the universe.

Astronomers capture first images of new planetsupdated: Fri Nov 14 2008 10:08:00

The first-ever pictures of planets outside the solar system have been released in two studies. Haumea: Our Newest Dwarf Planetupdated: Sun Sep 21 2008 01:00:00

A newly discovered dwarf planet in the solar system has been given a Hawaiian name: Haumea

Study: Martian soil may contain lifeupdated: Thu Aug 23 2007 00:42:00

The soil on Mars may contain microbial life, according to a new interpretation of data first collected more than 30 years ago.

White dwarf harbors signs of Earth-like planetsupdated: Thu Aug 16 2007 23:44:00

Chemical elements observed around a burned-out star known as a white dwarf offer evidence Earth-like planets once orbited it, suggesting that worlds like our own may not be rare in the cosmos, scientists said Thursday.

Mars probe explainedupdated: Sat Aug 04 2007 05:35:00

Mars probe explained

Fortune: Why M&A deals are bad for shareholdersupdated: Thu May 03 2007 09:25:00

Experts who study mergers and acquisitions know deals have a dark secret: Most of them destroy shareholder value. The question is why, and the answer, according to David Harding, has a lot to do wi...

Life on Mars?updated: Thu Dec 07 2006 05:37:00

Long before David Bowie crooned, "Is there life on Mars?" scientists have wondered the same - are we alone in our solar system? Now striking pictures suggesting the presence of liquid water on the Martian surface have scientists believing we are getting closer to finding out.

The Insider's Guide to colonizing another plant. updated: Fri Dec 01 2006 10:23:00

Colonize another planet? I'm perfectly happy here, thank you very much.

Exoplanet trapped between fire and iceupdated: Fri Oct 13 2006 10:59:00

The poet Robert Frost wondered if Earth would wind up a world of fire or ice. Astronomers have discovered that a distant planet is both.

Pluto's demotion not a cause for classroom panicupdated: Fri Aug 25 2006 10:55:00

Science teachers consider Pluto's flunking out of planet status a plus rather than a minus.

Discovery hints at space rocks beyond Neptuneupdated: Tue Aug 15 2006 13:48:00

Dozens of rocky bodies that are part of a sea of small rocky fragments never observed before have been spotted in the suburbs of our solar system beyond planet Neptune, thanks to a novel technique.

Three new planets found around sun-like starupdated: Thu May 18 2006 11:46:00

Three medium-sized planets of roughly the same mass as Neptune have been discovered around a nearby sun-like star, scientists announced today.

Tight funds put space missions on the chopping blockupdated: Thu Apr 27 2006 11:26:00

In July, the space shuttle Discovery is slated to deliver two tons of hardware and supplies to the partially built international space station. This mission is paid for.

NASA chief defends budget before lawmakersupdated: Thu Feb 16 2006 14:29:00

NASA Administrator Michael Griffin defended his agency's budget Thursday before the House Committee on Science against charges it guts science missions to pay for the shuttle program, international space station and a new generation of manned spacecraft.

NASA gets a budget increaseupdated: Mon Feb 06 2006 17:01:00

The Bush administration's 2007 budget calls for $16.8 billion for NASA, a 3.2 percent increase over this year's allocation. But the space agency still finds itself having to make tough funding choices in order to accomplish all the tasks on its "to-do list."

Scientists: New 'planet' bigger than Plutoupdated: Wed Feb 01 2006 10:22:00

German astrophysicists have concluded a space body located in the outer reaches of the solar system has a diameter 435 miles (700 kilometers) larger than Pluto, the smallest planet.

New Horizons rockets to Plutoupdated: Thu Jan 19 2006 09:08:00

NASA's New Horizons spacecraft roared into space Thursday afternoon bound for the planet Pluto. The spacecraft is the fastest ever launched, according to NASA.

NASA delays Pluto launch againupdated: Wed Jan 18 2006 09:41:00

NASA officials have scrubbed Wednesday's launch attempt of the New Horizons spacecraft because of an unresolved power outage. Tuesday's launch was scrubbed because of strong winds.

NASA scrubs Pluto launchupdated: Tue Jan 17 2006 09:15:00

NASA officials scrubbed the launch of the New Horizons spacecraft Tuesday because of strong winds. They will try again Wednesday at 1:16 p.m. ET.

Probe to Pluto set for launchupdated: Fri Jan 13 2006 11:32:00

NASA is set to launch a space probe called New Horizons today to capture the first up-close imagery of Pluto, its moons and a region of the outer solar system called the Kuiper Belt.

Hubble finds new moons, rings around Uranusupdated: Thu Dec 22 2005 12:13:00

New images from the Hubble Space Telescope show the planet Uranus has two additional moons and two faint rings never observed before.

Date set for solar spacecraft launchupdated: Tue Jun 07 2005 11:46:00

A date has been set for the launch of the first ever solar sail-powered spacecraft.

New planet found in Milky Wayupdated: Wed May 25 2005 00:10:00

Australian researchers have helped discover a new planet in the Milky Way, and they believe it's just a matter of time before more are discovered.

Telescope eyes possible alien asteroid belt updated: Wed Apr 20 2005 14:02:00

Wherever there might be Earth-like planets, there are likely to be asteroids, too. And now astronomers have found evidence for an asteroid belt around another star similar to our Sun.

Astronomers capture photo of extrasolar planetupdated: Fri Apr 01 2005 12:06:00

After a few close calls, astronomers have finally obtained the first photograph of a planet beyond our solar system, has learned.

Telescope captures glow of distant worldsupdated: Tue Mar 22 2005 15:21:00

The glow of planets outside our solar system have been spotted in the first direct detections of light emitted by alien worlds.

Rover hits one-year mark on Mars updated: Mon Jan 03 2005 10:56:00

Sitting on the hill of an alien world millions of miles from home, a hardy NASA robot celebrates an anniversary Monday -- one year on the planet Mars.

Martian 'planetary parks' proposedupdated: Fri Dec 10 2004 11:41:00

Scientists have proposed a scheme to introduce a series of planetary parks on Mars that would see areas of the Red Planet transformed into conservation zones.

Spitzer finds warmth in empty coreupdated: Thu Nov 11 2004 08:57:00

NASA's infrared eyes are probing the beginnings of both stars and planets. In two separate observations, the Spitzer Space Telescope has uncovered a possible stellar infant and an icy disk where planets may one-day form.

Planets form like 'dust bunnies'updated: Tue Oct 19 2004 09:15:00

New observations of dust around young stars suggest collisions of large asteroid-like objects and fledgling planets are frequent. But that doesn't likely stop the formation of rocky planets like Earth, a process that may well be common, the results suggest.

Photo may be first of extrasolar planetupdated: Fri Sep 10 2004 09:04:00

A group of European-led astronomers has made a photograph of what appears to be a planet orbiting another star. If so, it would be the first confirmed picture of a world beyond our solar system.

Earth-like planet discovered 50 light-years awayupdated: Thu Aug 26 2004 09:13:00

In a discovery that has left one expert stunned, European astronomers have found one of the smallest planets known outside our solar system, a world about 14 times the mass of our own around a star much like the sun.

Jupiter's comet impact leaves mysteryupdated: Mon Aug 23 2004 09:47:00

Jupiter's atmosphere still contains remnants of a comet impact from a decade ago, but scientists said last week they are puzzled by how two substances have spread into different locations.

Digging for life in the deadest desertupdated: Wed Aug 04 2004 16:07:00

Life is hard. For some, it's almost impossible.

Inside the giantsupdated: Tue Jul 20 2004 15:26:00

Scientists aren't sure what the interiors of Jupiter and Saturn look like or how the planets formed. But a new study of their insides suggests they took different paths to giant status.

Cassini gets ringside view of Saturn's mysteriesupdated: Thu Jul 01 2004 11:25:00

The spacecraft Cassini is sending back the finest images ever captured of Saturn's rings, giving scientists new insights into the planet, the origin of our solar system and even the formation of galaxies.

Cassini races toward Saturn orbit updated: Wed Jun 30 2004 13:39:00

NASA's Cassini probe has threaded through a gap between two of Saturn's rings and fired its engine in a critical maneuver towards becoming the first spacecraft ever to orbit the giant planet about 930 million miles (1.44 billion km) away from Earth.

Cassini will remake image of Saturnupdated: Tue Jun 22 2004 09:41:00

As the Cassini-Huygens mission prepares to go into orbit around Saturn, project scientists are eager to begin an eye-opening look at the planet and its environment.

Two telescopes better than one in spaceupdated: Wed May 26 2004 08:17:00

After years of whittling away prospective designs for a NASA mission to search for earth-like planets around stars, the space agency narrowed the choice to two very different observatories.

Origins revealed: Sun born amid chaosupdated: Thu May 20 2004 15:37:00

A new twist on an emerging theory says the sun was born amid massive, short-lived stars that sculpted our solar system with intense radiation and violent explosions that may have affected the origin of life.

Astronomers may have image of extrasolar planetupdated: Mon May 10 2004 09:50:00

In a preliminary analysis of new data, astronomers say they may have imaged a planet outside our solar system for the first time by using a tricky new method to ferret out dim objects from the light of a star.

Opportunity made 'interplanetary hole-in-one'updated: Sun Jan 25 2004 00:02:00

The Mars rover Opportunity is sending fresh data, including new photographs taken on the vehicle's parachute trip to the planet's surface, to mission control.

The new Martian chroniclesupdated: Wed Jan 14 2004 16:19:00

They've invaded Earth, tried to steal our air, and attacked Bugs Bunny. For Pete's sake, they've even kidnapped Santa Claus.

Bush unveils vision for moon and beyondupdated: Wed Jan 14 2004 02:55:00

Saying "the desire to explore and understand is part of our character," President Bush Wednesday unveiled an ambitious plan to return Americans to the moon by 2020 and use the mission as a steppingstone for future manned trips to Mars and beyond.

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