A Norwegian rocket launched on 25 January 1995 in order to study the Northern Lights, was mistaken by Russia for an incoming ...

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.

Russia has staged a nationwide nuclear war test amid growing fears of World War III, and a day after Trump warned Putin that the US has more nuclear weapons than any other country. Sirens blared with ...

North Korea says leader Kim Jong Un has observed test-flights of hypersonic missiles and underscored the need to bolster the country’s nuclear war deterrent ...

In 1961, the Soviet Union detonated the largest nuclear weapon ever built, a test so powerful it sent shockwaves around the ...

BUSAN, South Korea (AP) — 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 ...

This was a big week to get more afraid about nuclear weapons. Russian President Vladimir Putin announced the testing of a new nuclear-capable missile. President Donald Trump responded by calling for ...

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

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

MAJURO, MARSHALL ISLANDS — Lemeyo Abon learned about snow from the movies played on projectors by visiting American sailors. But living on Rongelap — a remote tropical atoll in the central Pacific ...