A single nuclear bomb dropped on a city can kill millions. If many such bombs were used, they could change the world's ...

Russian Foreign Minister Sergey Lavrov confirmed Saturday the Kremlin is working on proposals for nuclear weapons testing ...

Experts agreed if the U.S. resumed full nuclear weapons tests, other nations would do the same — giving them a chance to ...

President Trump wants to restart domestic testing to keep up with adversaries like China and Russia, but nuclear experts ...

After Trump's comments, Putin ordered his top officials to provide proposals on how to restart Russia's live nuclear weapons ...

Questions have arisen after Russian President Vladimir Putin said his country tested two nuclear-capable weapons this week.

As many as 550,000 U.S. military service members were exposed to radiation or participated in nuclear weapons tests that ...

The comments follow Russian defense minister Andrey Belousov announcing that Moscow should “immediately” prepare for ...

Energy Secretary Chris Wright says that new tests of the U.S. nuclear weapons system ordered up by President Donald Trump ...

The U.S. hasn’t tested the explosion of a nuclear weapon since 1992, when President George H.W. Bush ordered a moratorium.

President Donald Trump has appeared to suggest on social media that the U.S. resume testing nuclear weapons for the first ...

Energy Secretary Chris Wright said the testing ordered up in a surprise announcement by President Trump last week would focus ...