The aircraft flew toward Novaya Zemlya, a Russian archipelago located within the Arctic Circle. The Tu-95V carried an RDS-220 ...

The memo came from Brandon Williams, the head of the National Nuclear Security Agency, which carries out U.S. nuclear tests.

New scientific modeling reveals the shocking distances needed to survive a nuclear bomb explosion and its devastating effects.

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

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United ...

Officials say a Russian glide bomb has hit a residential district in a southern Ukrainian city, killing five people ...

Should the U.S. and Russia resume nuclear testing? The answer to that question must be a resounding “No.” Yet President ...

After World War II, the Communist nation worked desperately to build and test its own bomb, terrified of what might happen if it failed. Indeed, a Russian nuclear scientist who attended the Bikini ...

Risks of a serious crisis are rising. But for disaster response, the information environment has never been worse.

Vladimir Putin is quietly amassing an arsenal within Russia's military machine, designed not to win a war in Europe, but to ...

THE Ukrainian widow of the first Chernobyl victim has been killed by a Russian drone blast. Nataliia Khodemchuk died after ...

At least nine people were killed and 32 injured after confiscated explosives stored at a police station in the restive ...