Scientists discovered Earth's first crust had continental chemical signatures. This challenges beliefs about when these ...

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

Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs ...

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

Earth Day is April 22. Here's what to know about how Earth Day happened and how to celebrate our planet this April.