The Nuclear Regulatory Commission on Friday ordered U.S. nuclear power plants to begin implementing safety recommendations made in an effort to prevent a crisis from occurring as it did in Japan after last year's devastating earthquake and tsunami.
The Nuclear Regulatory Commission released Tuesday about 3,000 pages of transcripts of conversations recorded in its operations center after the Fukushima Daiichi nuclear disaster, conversations that underscore the difficulty the agency had in responding to the nuclear crisis that was unfolding halfway around the world.
Critics worry about aging U.S. nuclear plants amid what happened in Japan. CNN's Amber Lyon reports.
As the United States prepares to build its first new nuclear power reactors in three decades, concerns about an early generation of plants have resurfaced since last year's disaster in Japan.
A rare type of radioactive decay, not a renewed chain reaction, appears to have produced the radioactive xenon gas discovered this week at the Fukushima Daiichi nuclear power plant, its owner said Thursday.
The Futaba district of Japan's Fukushima prefecture was once defined largely by its farmers and its fishermen, as well as by its vast nuclear complexes that funneled power to Tokyo.
A head stone mason for the National Cathedral says it will cost millions to repair the damage from Tuesday's quake.
Workers at the crippled Fukushima Daiichi nuclear power plant have discovered a radioactive hot spot far more lethal than anything previously recorded at the damaged facility, the plant's owner reported Tuesday.
A reactor at Japan's Ohi nuclear plant will be shut down following problems with an emergency cooling system, Kansai Electric said Saturday.
CNN's Jessica Yellin talks to nuclear engineer Arnie Gundersen about the safety of nuclear power plants in the U.S.
The CEO of Fort Calhoun Nuclear Power Plant says what's happening to their plan in Nebraska is not another Fukushima.
Japan's Fukushima Daiichi nuclear power plant experienced full meltdowns at three reactors in the wake of an earthquake and tsunami in March, the country's Nuclear Emergency Response Headquarters said Monday.
In the shadow of the nation's oldest operating nuclear power plant, Alfonse Esposito fishes along Oyster Creek in central New Jersey, where he's caught and eaten bluefish and kingfish for 37 years.
A month after a devastating earthquake sent a wall of water across the Japanese landscape, the global terrain of the atomic power industry has been forever altered.
As some of Japan's foreign residents begin to return, many are still too afraid to come back. CNN's Kyung Lah reports.
CNN's Kyung Lah reports on the frustration over the lack of progress in recovery efforts in Japan.
A low water level in a reactor building at the damaged Fukushima Daiichi nuclear power plant in Japan may have exposed fuel rods and caused them to melt, the owner of the facility said Thursday.
Japan's tsunami zone struggles to move on, both physically and emotionally, as CNN's Kyung Lah reports.
U.S. safety officials Wednesday called for nuclear power plants to lay out their plans for handling "extreme events" like the disaster that struck Japan two months ago.
The death toll from Japan's earthquake and tsunami rose to nearly 14,000 on Monday as efforts continued to stabilize a crippled nuclear reactor plant.
Engineers used a flying drone to peer into the damaged reactors at the Fukushima Daiichi nuclear power plant Sunday as the crisis spurred more than 2,000 people to march against nuclear energy in Tokyo.
A passenger driving through Japan documents the radiation levels and devastation as he approaches the radiation zone.
Beneath the cherry blossoms of Shiba Park, more than 2,000 people lined up for a Sunday afternoon march calling for Japan's nuclear power stations to be shut down.
Radioactive iodine in seawater around the Fukushima Daiichi nuclear power plant dropped sharply even before workers plugged a water leak believed to be from its crippled No. 2 reactor, the plant's owner said Wednesday night.
The Fukushima Daiichi disaster is shining a light on an issue in the U.S. - what should we do with all that spent fuel?
Despite the heroic efforts of technicians and engineers battling to prevent a full nuclear meltdown at the quake-damaged Fukushima Daiichi plant, radioactive material is still seeping into the surroundings of the power station.
They sleep anywhere they can find open space -- in conference rooms, corridors, even stairwells. They have one blanket, no pillows and a leaded mat intended to keep radiation at bay.
Workers at Japan's crippled Fukushima Daiichi nuclear plant faced a difficult balancing act Tuesday as they struggled to keep reactors cool and prevent radioactive water from leaking into the ocean.
Two weeks into Japan's nuclear crisis, a top U.S. Nuclear Regulatory Commission official and an industry critic gave Congress starkly different opinions on whether lessons can already be gleaned from the disaster and applied to U.S. plants.
Say it aloud: NUCLEAR. How does it make you feel? Many people have negative associations with the word, feelings that have been magnified since a massive earthquake and tsunami crippled a power plant called Fukushima Daiichi in Japan on March 11.
CNN's Allan Chernoff gains exclusive access inside Indian Point's two nuclear reactors.
Health and safety concerns about Japanese nuclear power plants after this month's earthquake and tsunami have Lindsey Schiller wondering what could happen across the street from her own house in her Philadelphia suburb.
TVA officials reassure public with rare look inside a nuclear plant. David Mattingly reports.
Since Japan's Fukushima Daiichi nuclear power plant suffered damage from a massive earthquake and tsunami March 11, you might be a little more aware of the nuclear power plant nearest you. Does it really need to be there? Is it safe?
When she was an adolescent, Helen Caldicott says, she read the nuclear apocalypse novel "On the Beach." The story was set in the aftermath of an atomic war; the protagonists must await the arrival of a deadly fallout cloud.
Authorities in Japan raised the prospect Friday of a likely breach in the all-important containment vessel of the No. 3 reactor at the stricken Fukushima Daiichi nuclear power plant, a potentially ominous development in the race to prevent a large-scale release of radiation.
While the buildup of salt from seawater pumped in to cool reactors at Japan's Fukushima Daiichi nuclear plant may become a concern, it is likely to affect the pumping system itself before it affects the fuel rods, one expert said Thursday.
Treasury prices eased Monday as stocks rallied and fear of a Japanese nuclear disaster dissipated.
The future of earthquake-ravaged nuclear power plant Fukushima Daiichi is still anyone's guess, but it's already triggered fears of subsequent nuclear disasters elsewhere.
CNN's Mary Snow reports on how spent fuel rods are stored in the U.S. and Japan.
Japanese authorities vowed Friday to continue their aerial and ground-level dousing of water on a troubled nuclear reactor, with its owner saying that earlier attempts have been "somewhat effective" in addressing radiation concerns.
Japan's nuclear plant tries to restore its high voltage power so it can use a variety of sources for a cooling system.
We are all deeply saddened by the news of the terrible devastation, destruction and death that occurred in Japan on March 12 from the incredible destruction brought on by a 9.0-magnitude earthquake and resulting tsunami. As if this were not enough, on the heels of these two events, several large nuclear power plants are in severe peril.
Japan's NHK network explains nuclear reactors and how the systems failed during the earthquake and subsequent tsunami.
Japan has more than 50 nuclear power plants and had planned to build two dozen more by 2030, according to a professor who has written on Japanese energy and security policy.
Concerns are growing over radiation leakage from Japan's damaged nuclear facilities. CNN's Stan Grant reports.
David Crane is CEO of NRG Energy, a Fortune 500 electricity producer based in Princeton, New Jersey. NRG has something of a split personality. On the one hand, with its heavy reliance on burning coal to generate electricity, it remains among the dirtiest power companies in the country, as measured by CO2 emissions. Yet it also aspires to a leadership role in the power industry's long march to zero-carbon emissions.
People in northeast Japan are warned to remain indoors due to the rise in radiation levels. CNN's Stan Grant reports.
In Japan's earthquake-triggered nuclear emergency, at least 200,000 people who live within 21 kilometers of the Fukushima Daiichi Nuclear Power Station outside Tokyo have been removed from their homes -- residents who are already victims of the worst earthquake to hit Japan since records were kept.
The safety of America's nuclear reactors is being questioned as Japanese engineers scramble to avert a total meltdown at two of that country's quake-stricken power plants.
While saying there are no indications yet of dangerously high radiation levels in the atmosphere, a Japanese government official said Sunday that there is a "possibility of a meltdown" at two of the country's nuclear reactors.
When electricity giant Constellation Energy decided last month to pull out of its ambitious Calvert Cliffs nuclear-plant project, the move tossed a giant wet blanket on the so-called "nuclear renaissance" that has fueled hope, and hype, for a resurgent nuclear-power industry in this country.
On July 13 General Electric CEO Jeffrey Immelt announced a $200-million 'challenge,' whereby GE, together with four venture-capital firms, committed to invest in ideas that will advance alternative-energy and efficiency programs, specifically the so-called smart grid that helps electricity networks operate more efficiently. Following the San Francisco event to unveil the program, Immelt sat down with Fortune's Adam Lashinsky to talk about GE's efforts under a campaign called Ecomagination. Immelt spoke candidly and expansively about how he'd change his 'eco' language if he were to start over, why nuclear energy's revival is a ways off, and why President Obama needs to change his tone. An edited and condensed transcript of their conversation follows.
Nuclear power is inadequate, hugely expensive, unnecessary and dangerous.
Say you were to give Bill Gates a really great present -- like the ability to cure crippling diseases or to pick all U.S. presidents for the next 50 years.
Authorities at Pennsylvania's Three Mile Island nuclear plant were investigating what caused a weekend radiation leak that resulted in 150 workers being sent home, officials said Sunday.
Is the United States finally about to embark on a long anticipated nuclear power renaissance? It seemed so yesterday, when Princeton-based NRG Energy filed a license application to build two new nuclear reactors at its existing facility in Bay City, Texas.
"We were at heightened security - we were at red," recalls Al Griffith, spokesman for the utility that owns the Seabrook Nuclear Power Plant in New Hampshire.
While the U.S. hems and haws over reviving nuclear energy as a less expensive alternative to oil, Russia has dug back 30 years in our nuclear history to find a solution for some of its own energy woes: the floating nuclear power plant.
On a raw winter afternoon, the training manager at Cooper Nuclear Station, a power plant run by Entergy Corp. on the bleak plains of eastern Nebraska, sits across a conference table from his boss, ...
Outside, it's another warm summer afternoon in Madison, Pa., a forested suburb 30 miles southeast of Pittsburgh. Inside—in a brightly lit Westinghouse control room packed with computer monitors, sc...
Defense Secretary Donald Rumsfeld rarely keeps his opinions to himself. He tends not to compromise with his enemies. And he clearly disdains the communist regime in North Korea. So it's surprising ...
On the western edge of the vast Nevada Test Site, where hundreds of nuclear weapons have been detonated, lies a dusty ridgeline known as Yucca Mountain. Located in a desert region of north-south mo...
NEIL BUSH, 35, the President's son, on the possibility of having to defend himself against government conflict-of-interest charges involving his directorship of Silverado, a bankrupt S&L: ''It's an...
HERE'S A TEST of your investment acumen. You have a choice of buying stock in one of two companies. Do you believe in return on shareholders' equity? For 1988, Company A had an ROE of 22%; Company ...
WHY IS this scientist smiling? Because he may have won a small prize in the cold fusion lottery. No, not those $25 boxes of pennies -- the pennies are there to shield his instruments from any gamma...
JINXED by runaway construction costs and reviled for putting humanity at needless risk, nuclear power seemed destined for gradual abandonment. That was last year. Amid mounting evidence that the ea...
With $15 billion in nongenerating power plants, the Tennessee Valley Authority was in a jam. So it hired a hotshot admiral from the nuclear Navy and gave him an army of engineers to make the plants...
THE FIRST NUCLEAR power plant in the Philippines sits on a verdant bluff overlooking the South China Sea, just off the road where U.S. soldiers marched to their death under the bayonets of Japanese...
NUCLEAR POWER was not a wonderful business to be in even before the disaster at Chernobyl. It now figures to become a lot less wonderful for utilities. Several companies that build and service nucl...
Loading weather data ...