Deep beneath the Earth lies a mysterious and powerful force. A wellspring of nuclear energy which could one day rip us apart.

Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just ...

A recently exploded star relatively near the solar system is raining radioactive metal down on earth, according to a new study published Thursday. Specifically, researchers found the radioactive ...

SpaceX confirmed that one Starlink satellite recently exploded in orbit, and it is now tumbling to re-enter the planet.