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 ...

One thing geology teaches us about is the existence of another monumental event in the history of Earth, 2.4 billion years ...

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.

The planet Earth thawed approximately 4.5 billion years ago. The Moon was created when a Mars-sized object crashed. If there ...

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 ...

Bacteria used oxygen far earlier than expected, reshaping views on early life, evolution, and photosynthesis origins.

Scientists have long thought that tectonic plates needed to dive beneath each other to create the chemical fingerprint we see ...

The study also provides a new approach to solving one of the biggest enduring scientific mysteries: when did plate tectonics begin?

New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we ...