New evidence suggests a weak magnetic field millions of years ago may have fueled the proliferation of life on Earth.

"Our study provides us with another important clue in the mystery of how continents formed and spread across Earth..."

A new discovery challenges understanding of how quickly life recovered from the greatest mass extinction in Earth's history.

In mythologies from around the world, various cultures and religions point to clay as the primordial material of life. Is that more accurate than we think?

"Our theory has the potential to address not just how Earth became habitable, but also why life emerged on it," researchers say.

For the first 500 million years of Earth’s existence, oceans may have had a salt level as high as 7.5%. By comparison, oceans today are about 2.5% salt.

Erupting volcanoes, and not a geologic or chemical process, may have led to the first puff of oxygen in the atmopshere of the early Earth.

Ancient marine organisms have shed light on 66 million years of carbon dioxide levels and what it means for modern carbon emissions.

How did life on Earth start? Researchers say it could've been billions and billions of lightning strikes unleashing the planet's phosphorus.

A new theory solves a problem with Charles Darwin's idea of early life evolving in "warm little ponds" despite the world being covered in oceans.