As Russia threatens nuclear attacks on Ukraine and NATO, and prototypes a nuclear-armed spacecraft, European space powers are ...

Russia, creator of the world's most powerful nuclear weapon, the Tsar Bomb, is likely set to launch a nuclear-powered spacecraft aimed at sabotaging Western satellites across low Earth orbit. (Photo ...

If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Those are the ...