At 3:39 p.m. on January 21, 1968, the aircraft slammed into the ice seven miles west of the base. The impact carved a ...

Nuclear weapons testing has affected every single human on the planet, causing at least four million premature deaths from ...

From Pacific islands to global fallout, a new report traces how decades of nuclear testing left a silent health crisis that ...

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.

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

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a strike.

By Francois Murphy VIENNA, Jan 16 (Reuters) - Regional fears of a U.S. attack on Iran have eased after President Donald Trump ...

Introduced in 1960, the American MK41 hydrogen bomb remains the highest-yield nuclear weapon ever placed in active service.