Studies of the potential climate effects of nuclear war in the 1980s focused on northern hemisphere, large-scale nuclear conflicts, and predicted more extreme global “nuclear winter” scenarios.

SALT LAKE CITY (KUTV) — A new state law that charts a path for Utah to burst into nuclear energy was powered on on Wednesday, but building "small modular reactors" will not happen at light speed.

The world is at risk of a fresh nuclear arms race, the head of the United Nations’ atomic agency has warned. Rafael Grossi ...

President Donald Trump's order for the Pentagon to resume nuclear testing has scientists fearing the world is closer than ever to a global catastrophe. Months before Trump's decision on Wednsday, ...

Add Yahoo as a preferred source to see more of our stories on Google. A recent Chinese military study reported on Sunday says using three precision-guided warheads is more effective at destroying ...

North Korea denounced an agreement between Seoul and Washington to build nuclear-powered submarines, saying in a state media commentary on Tuesday that the deal would cause a "nuclear domino" effect.

As part of a continuing series, Talha Burki looks at the issues at the core of medicine in nuclear power plants.

At the outset of the Cold War and the dawn of the era of nuclear competition, the United States and the Soviet Union worked quickly to develop large stockpiles of weapons and to demonstrate the power ...