There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

The Tsar Bomba was the largest nuclear weapon ever detonated, a Soviet superweapon so powerful it dwarfed Hiroshima and sent ...

Add Yahoo as a preferred source to see more of our stories on Google. If the largest nuclear bomb ever designed by the Soviet Union were dropped on downtown Atlanta, anything within a nearly five-mile ...

While global attention remains focused on energy markets, the environmental consequences of escalating attacks on nuclear and ...

A website that lets users simulate a nuclear attack has seen an uptick in users amid the ongoing war with Iran.