The U.S. Senate on Thursday approved a national defense bill that includes key provisions related to nuclear fallout in the Nevada Test and Training Range.

Experts have dismissed claims online that this morning's earthquake off the coast of Russia could have been man made. Accounts on social media have suggested that a botched Russian nuclear weapon test ...

A clearer picture begins to emerge of what the Israeli and U.S. attacks on Iran’s nuclear sites achieved. By Julian E. Barnes David E. Sanger and Eric Schmitt The reporters cover intelligence agencies ...

Russia appears to be preparing to test its new nuclear-armed, nuclear-powered cruise missile just days before Russian President Vladimir Putin is set to meet U.S. President Donald Trump in Alaska, ...

Even eighty years after the first nuclear bomb test, the consequences still haunt people all around the world. Radioactive fallout hasn’t just vanished; instead, it continues to affect the health of ...

The unveiling underscores Pyongyang’s continued focus on expanding its nuclear arsenal amid tensions with the United States.

North Korean leader Kim Jong Un showcases his military's most powerful weapons at a massive parade attended by foreign leaders ...

The country is celebrating Kim Il Sung's birthday April 15. With North Korea set to celebrate its most important holiday next week, the U.S. is concerned that Pyongyang "may be tempted to take another ...

The Trump administration’s overhaul of the Nuclear Regulatory Commission could be working against its own agenda to accelerate the deployment of new nuclear energy. President Donald Trump is looking ...

At a massive military parade attended by foreign leaders, Kim Jong-un rolled out his nuclear-armed military's most powerful ...

North Korea’s official Korean Central News Agency called the yet-to-be-tested Hwasong-20 its ‘most powerful nuclear strategic ...