Asteroids capable of flattening a metropolis are no longer the stuff of science fiction, and the latest “city destroyer” ...

Space is full of terrifying possibilities, but most cosmic disasters are extremely unlikely to ever reach us. Solar flares are different: they happen often, and under the right conditions, they could ...

Fossils from Denmark suggest ammonites survived the asteroid extinction far longer than believed, raising new questions about how these ancient marine survivors finally disappeared after Earth’s most ...