The lab designing the warhead says it is accelerating the timeline to respond ‘to a critical challenge and urgent need.’ ...

a nuclear explosion. Scientists have used computer simulations to explore this potential method of planetary defense. But in an ideal world, researchers would ground their models with cold ...

In 1966, the remote Spanish village of Palomares found that the "nuclear age had fallen ... The other hydrogen bomb also exploded when it hit the ground near a cemetery. These dual blasts created ...

PRECURSOR shocks are phenomena normally associated with surface burst or low-level nuclear explosions. The precursor moves out along the ground ahead of the primary shock, and usually produces a ...

In the mid-1960s, federal officials used the salt dome to test underground nuclear explosions ... blew up atomic weapons in the air or on the ground or underwater, then it really produced a ...