A minute-by-minute guide on how to survive a nuclear bomb attack, and ways to be prepared for war.

There’s no signpost marking Mississippi’s only nuclear test site. While the federal government monitors the underground area, ...

It both does and doesn't exist at the same time. Last week, National Security Adviser Mike Waltz told ABC that "Iran cannot ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

Iran is not seeking a nuclear weapon, despite UN assessments that Tehran has rapidly increased enrichment of uranium to ...

Firings and buyouts hit the top-secret National Nuclear Security Administration amid a major effort to upgrade America’s ...

Researchers have found an environmentally safer way to extract the lithium 6 needed to create fuel for nuclear fusion ...

When a routine procedure went wrong in October 1957, a fire broke out at the Windscale nuclear power station in Cumbria, UK.

Over the past months, the U.S. Air Force added another potent weapon to its arsenal: a new nuclear bomb, having recently completed production at Sandia National Laboratories in Albuquerque ...