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

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

Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

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

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

The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

A study published in Nature on 2 April reveals that Earth's first crust, formed about 4.5 billion years ago, probably had ...

A devastating meteorite strike over three billion years ago may have been just what early life needed to thrive. While it’s ...

Microbial organisms dominate life on Earth, but tracing their early history and evolution is difficult because they rarely ...