Experts say there are roughly 12,241 nuclear weapons across the world, with just over 9,600 thought to be operational.

The W88, estimated to yield 455 kilotons of TNT explosives, is one of the most powerful nuclear warheads in the U.S. arsenal, and is carried on Trident II D5 submarine-launched ballistic missiles ...

All of the nine nuclear-armed nations are investing huge sums in new weapons. And the numbers of nuclear weapons “available ...

Defense startup Castelion said on Friday it has won contracts to integrate its Blackbeard hypersonic strike weapon with ...

This summer, employees at several big defense companies went on strike. Their grievances highlight a much larger problem brewing beneath the surface.