When asteroids hurtle towards Earth in Hollywood films, astronauts often deploy nuclear warheads against ... magnetic fields and X-rays to find out how materials react under high pressures and ...

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

In 2001, a Department of Energy hydrographic survey suggested that the bomb was buried between five and 15 feet of silt. The ...

The National Nuclear Security Administration said development for a bomb 24 times more powerful than the one dropped on Hiroshima is ahead of schedule.

The weapon is designed to become the full-time replacement for the US’ older nuclear weapons carried by new US B-21 stealth bombers. The original B61 gravity bomb was created in 1968 ...

Our descendants will — at some time in the future — almost certainly need to deflect an asteroid. Though there is no known threat for at least the next century, planetary defense experts are ...

Life imitates art: The lighting at New York’s Idlewild Airport, which officials in the 1960s believed vulnerable to spies smuggling A-bombs ... rely on some form of X-rays, but the methods ...

The US has started making a nuclear bomb seven months before planned. The world-ending B61-13 nuclear weapon unit can carry a devastating 360-kiloton bomb, making it 24 times more powerful than ...

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 ...

Almost. What is “the Iran problem”? Trump seems to think it’s Iran’s efforts to obtain nuclear weapons, which, he has said, “they can’t have.” Iran has enriched uranium to 60 percent ...