Nuclear bombs do not rely on size, they rely on physics. Here is how chain reactions and hydrogen bombs unleash power on a city-ending scale.

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

The UK's Nuclear Decommissioning Authority announced it has succeeded in safely processing a can of plutonium residue into a stable waste form for the first time, marking a significant step toward ...