The warplane-dropped nuclear gravity bomb known as the B61 has been fully modernized with a new precision guidance system, ...

Pantex Deterrence completes final B61-12 nuclear bomb ahead of schedule, marking a key milestone in U.S. nuclear ...

New 911 calls include accounts of at least a dozen people who saw or heard the explosion in real time. Here's what they reveal about the bombing.

Doomsday Clock announcement will be held on January 28th in Washington, DC. The Bulletin’s Science and Security Board will ...

But the development of such clocks has been challenging as thorium-229, one of the isotopes used in nuclear clocks, is rare, radioactive, and extremely costly to acquire in the su ...

The science-fiction sounding prospect of such a jab capable of combating the 'internal enemies' of ageing could easily be ...