For more than 30 years, major nuclear powers have refrained from testing nuclear bombs. But that streak may soon be over as Russia and the U.S. conduct missile tests and threaten to resume explosions ...

Russia claims the Poseidon 'doomsday machine' can destroy cities with radioactive tidal waves - here are the facts ...

When the first nuclear bomb test took place 80 years ago, the scientists who gathered to observe the explosion in the New Mexico desert recognized they were playing with fire. Physicist Enrico Fermi ...

Kremlin’s ‘unbeatable’ missile is said to be able to fly under Western radars – but has several serious drawbacks ...