Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...

In October 1961, the Soviet Union detonated the Tsar Bomba, a nuclear weapon with a yield of 50 megatons. The explosion was ...

The death of the last treaty between Russia and the U.S. that limited the size of nuclear arsenals may spark a new arms race, ...

Top 10: The aircraft that refused to retire ...

A sleepy Scottish fishing village became an espionage academy for hundreds of ‘clever boys' in the Fifties, including future literary luminaries Alan Bennett, Dennis Potter and Michael Frayn, as Brita ...

The fishing village was home to the Joint Services School for Linguistics, where servicemen including Alan Bennett, Dennis ...

"It is the use of nuclear risk as a tool of coercion," Ukraine's foreign minister said.

Kyiv was among the hardest-hit areas, where 40 facilities were damaged.

The Russian Defense Ministry said on Friday that it had struck western Ukraine with a nuclear-capable intermediate-range ...

Ukraine’s Air Force reported a threat of a possible nuclear-capable missile fired from a Russian strategic nuclear testing ...

Huge winter storm to bring crippling snow, sleet and ice from Texas to Boston Trump administration scraps multimillion-dollar solar projects in Puerto Rico as grid crumbles Will unseasonably hot ...

A bomb cyclone is bringing blizzard conditions and heavy snow to Michigan's Upper Peninsula and the Great Lakes region. The rapidly intensifying storm is expected to cause dangerous travel conditions, ...