Earth's crust today has a surprisingly similar composition to the planet's first outer shell, or "protocrust," new research ...

The ocean was most likely green, and it might not have been blue forever. Japanese scientists from Nagoya University first ...

Water is at the center of one of the enduring questions about how life first formed on Earthr. More specifically, where did ...

A team of researchers at the University of Oxford have uncovered crucial evidence for the origin of water on Earth. Using a ...

Microbes - alive and thriving -- have been found sealed within a fracture of 2-billion-year-old rock beneath Earth's surface.

As scientists discover the most promising evidence of life on a distant planet, experts reveal what that alien life might ...

A new study suggests Earth's oceans may have been green during the Archean eon, around 3.8 to 1.8 billion years ago. The ...

Moon is slowly moving away from Earth at a rate of 3.8 centimetres per year. This gradual drift affects Earth’s rotation and ...

What are some of the largest extraterrestrial impacts to effect Earth? Learn what we’ve seen in history, and what is ...

In The Decline and Fall of the Human Empire, science writer Henry Gee considers how long we’ve got, and how we can extend our ...