The aircraft flew toward Novaya Zemlya, a Russian archipelago located within the Arctic Circle. The Tu-95V carried an RDS-220 atomic bomb, also known as the Tsar Bomba, mounted on its underside. The ...

An eyewitness account of the first atomic bomb tests in the Marshall Islands, along with some remarkably prescient observations about what they could mean for future superpower rivalries.

An examination of an explosion with energy equivalent to 1,000 atomic bombs. Arkansas will become first state to end PBS ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...

Russian media are once again spreading fake statements from the Russian Ministry of Defense, accusing Ukraine of preparing ...

The U.S. and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests.

The nuclear weapons testing ordered by U.S. President Donald Trump will not involve nuclear explosions at this time, Energy Secretary Chris Wright said on Sunday.

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

WASHINGTON — The nuclear weapons testing ordered by President Donald Trump will not involve nuclear explosions at this time, Energy Secretary Chris Wright said on Sunday. “I think the tests we’re ...