The new supercomputer will assist scientists in judging the safety and reliability of the US nuclear weapons stockpile without doing live tests.

In response to last month's disastrous spill of coal ash in Tennessee, the Department of Environmental Protection in W. Va. is mandating inspections at their state's dams.

At her Senate confirmation hearing on Tuesday, Secretary of State-designate Hillary Clinton expressed support for the Chinese-led six-party negotiations aimed at ending North Korea’s nuclear program.

"If you snooze, you lose" may not apply to Exelon's Peach Bottom nuclear power station in Pennsylvania.

A coalition of environmental groups have gone to court seeking to overturn a Bush administration change in a law which may effect mountaintop coal removal.

Electricite de France has succeeded in its bid to purchase the nuclear assets of Constellation Energy, outbidding Warren Buffett's originally accepted offer.

According to a Reuters source, the company is ready to snub Buffett's offer in favor of the proposal from the French nuclear giant.

The US and the United Arab Emirates have reached an agreement for what would be the first case of the US sharing nuclear know-how with an Arab state.

The US Department of Energy on Thursday chose Michigan State University for a $550 million cutting-edge nuclear physics research facility.

The French electricity giant announced that it had raised its stake, and that it would extend its buyout offer of British Energy.