(CNN) — A ghost of the Cold War is rising between the world’s superpowers, just in time for Halloween. In the wake of Russian President Vladimir Putin bragging about his country testing both a nuclear ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

WEST PALM BEACH, Fla. — 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 the ...

BUSAN, South Korea — President Donald Trump appeared to suggest the U.S. will resume testing nuclear weapons for the first time in three decades, saying it would be on an "equal basis" with Russia and ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...

Russia's Vladimir Putin ordered top officials on Wednesday to submit plans for the possible resumption of nuclear testing, a direct response to President Donald Trump's surprise instruction for the ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

President Donald Trump’s call for the United States to resume testing of nuclear weapons last week has experts scratching their heads. What did he really mean – exploding a warhead or testing delivery ...

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Alex Partezana was a 22-year-old Marine in April 1953 when he received an unusual order: to observe nuclear weapons testing in the desert outside Las Vegas, Nevada. He still remembers the first blast ...

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. “As of today, the ...