There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and ...

Researchers have recreated the tumultuous beginnings of Earth, simulating what the planet was like just after its formation 4.5 billion years ago. The results, derived from a new computer model, ...

If a star explodes in space and no one is around to see it, does it wreak a change on terrestrial evolution? Yes, maybe – if you're a microbe quietly minding your own business in Lake Tanganyika in ...