The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the ...

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

(CNN) — Russian President Vladimir Putin says his country will explore the possibility of carrying out fresh nuclear tests after US President Donald Trump said last week that Washington would begin ...

Disneyland is pivoting on 'Star Wars' land. Here's why. South Korean former president sentenced to 5 years in prison over ...

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 ...

President Trump’s claims that Russia and China are secretly testing nuclear weapons are correct, according to CIA Director John Ratcliffe and Senate Intelligence Committee Chairman Tom Cotton.

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

(CNN) — US President Donald Trump and Russian President Vladimir Putin have spent weeks trading threats to restart nuclear tests, an escalation kicked off by Putin’s boasts about tests of the Poseidon ...