Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects ...

The first life emerged about four billion years ago, when the planet was still new. Back then, the cutting edge of earthly ...

If you were to hold a grain of zircon in your hand, it would look like nothing special — just a tiny, sand-sized crystal, no ...

Ancient ocean grains show Earth’s carbon levels were far lower than expected during key evolutionary eras. The results challenge old theories of life’s rise and hint at patterns that could shape our ...

According to a recent study, events geologists use to distinguish transitions between geological chapters in Earth's story follow a hidden hierarchical pattern, one that could shed light on both past ...

The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the ...

New research reveals fungi, not plants, were Earth's first land colonizers, emerging hundreds of millions of years earlier.

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...