President Trump has directed the Pentagon to resume nuclear weapons testing, ending a 30-year moratorium. Citing the nuclear ...

Richard L. Garwin, a designer of the first hydrogen bomb, died Tuesday, his daughter-in-law, Tabatha Garwin confirmed to CBS News. The renowned scientist was 97 years old. A prominent scientist who ...

SEOUL, South Korea — Soon after the ground shook around its nuclear testing facility, North Korea trumpeted its first hydrogen bomb test — a powerful, self-proclaimed "H-bomb of justice" that would ...

Here’s What You Need to Know: Skies were clear, and the modified U-2Gs preformed well, snapping photos of the French test site without being detected. They snapped photos of the day... Here’s What You ...

SEOUL, South Korea — North Korea’s declaration that it had tested a hydrogen bomb for the first time was greeted with widespread condemnation — but also skepticism — as world powers vowed Wednesday to ...

TOKYO (AP) — North Korea says it successfully detonated a hydrogen bomb in its latest nuclear test Sunday. Outside experts haven't been able to verify that claim, but say it's plausible. If true, it ...

The Soviet Union detonated the most powerful nuclear weapon in the history of humankind, the Tsar Bomba, on October 30, 1961.

This story originally appeared on April 1, 1954, in the Winona Republican-Herald, a predecessor of the Winona Daily News. WASHINGTON (AP) — The government disclosed today details of the world’s first ...