Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...

The Tsar Bomba was the largest nuclear weapon ever detonated, a Soviet superweapon so powerful it dwarfed Hiroshima and sent a shock wave around the world. But the deeper story is even darker: the ...

China, North Korea's only major diplomatic ally urged Pyongyang to stop taking any actions that would worsen the situation. North Korea conducted its fifth nuclear test on Friday, setting off a blast ...