Eight reactions could connect ancient Earth to modern day. Here's how. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A missing piece of Earth's ...

New evidence from rocks, molecules and machine learning is forcing scientists to redraw the opening chapters of Earth’s story, pushing the first stirrings of biology far closer to the planet’s violent ...

A new analysis of rocks thought to be at least 2.5 billion years old helps clarify the chemical history of Earth's mantle -- the geologic layer beneath the planet's crust. The findings hone scientists ...

Continental clues: Modern continental rocks carry chemical signatures from the very start of our planet’s history, challenging current theories about plate tectonics. Researchers have made a new ...

Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed light on the question "Where are we going?" and offer scientists deeper insight ...