To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

If you've seen a world map or travelled to Australia then you'll know just how far away it is from other continents - but ...

The theory of a collision with a lost planet confirms the turbulent history of Earth and may explain the stratification of the Earth's mantle. Read also: Earth's ancient rings: Scientists uncover ...