A newly-discovered asteroid about 100 metres wide and on a potential collision course with Earth has activated international planetary defence teams ...

Pristine samples of the asteroid Bennu transported to Earth contain the "basic building blocks" for life, shedding new light on the perennial question of how life began on our planet.

A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly ...