Scientists created a simulation showing that early Earth still retained chemical traces of its igneous youth, 4.5 billion years ago.

A bold claim about Earth’s earliest known meteorite impact has been reevaluated after new evidence emerged from the Pilbara ...

Understanding the similarities and differences of the deserts on Earth and Mars will help space travelers survive future ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.