Fighting for control of the strategic hub of Pokrovsk in eastern Ukraine is intensifying, with the Russian Defense Ministry claiming to have eliminated a group of Ukrainian special forces sent ...

President Donald Trump announced that he instructed the Pentagon to “immediately” begin testing nuclear weapons in order to keep up with Russia and China.

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

Federal investigators say 24,000–28,000 pounds of explosives detonated at Tennessee’s AES plant, killing16 workers in one of ...