Britain's nuclear weapons are " operationally independent" and immune to political shifts in the US, senior Royal Navy sources confirm. But experts say it might be time to collaborate with France.

These kinds of drills emerged in the 1970s as a way to train for the unthinkable. The U.S. was experiencing a rash of nuclear ...

There are some potentially valid criticism about the Nuclear Salt Water Rocket (NSWR). The criticisms highlight real physical ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

Could you see a nuclear explosion on the moon with the naked eye? That was the question posed by the United States military ...

A 110-kiloton nuclear explosion at 400km altitude would immediately jeopardize approximately 20% of LEO satellites through prompt radiation effects. Larger yields would expose the same number of ...

An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on Dec. 22, 2032.

U.S. allies around the world are warming to the idea of developing their own nuclear weapons, the result of a growing sense ...

This can cause many injuries in a surrounding population who comes to a window after seeing the flash of a nuclear explosion (which travels faster than the pressure wave). Often used as a ...