Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

Opinion: This op-ed's authors argue that the president's nuclear testing comments were correct, considering America's aging ...

In the face of such facts, Trump changed his story. He said that Russia and China are conducting secret nuclear tests and ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

US President Donald Trump said the US would immediately restart nuclear testing. After a confusing post, Trump clarified that the testing would be something the US hasn't done in many years. The plan ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

President Donald Trump said this week that he wants the Defense Department to begin testing nuclear weapons "immediately," but experts say that's wishful thinking. The U.S. has only one location where ...

A 4.2 magnitude earthquake struck the Negev Desert in southern Israel, prompting widespread speculation about a potential ...

In a November 5 meeting of the Security Council of Russia, President Vladimir Putin directed his military and political leaders to “submit coordinated proposals on the possible first steps focusing on ...

Scientists have detected elevated levels of iodine-129, a nuclear activity tracer, in the West Philippine Sea.