Explore the history of life on Earth, from 3.5-billion-year-old fossils to the vast diversity of species on our planet today.

A collaborative team of scientists has discovered that life on Earth over three billion years ago relied on the metal ...

A popular model of evolution concludes that it was incredibly unlikely for humanity to evolve on Earth, and that extraterrestrial intelligence is vanishingly rare. But as experts on the entangled ...

The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed oceans, and created the varied climates and habitats that set the stage for ...

For now, life thrives on our oxygen-rich planet. But Earth's atmosphere won't always be so welcoming. In fact, scientists predict that Earth will eventually undergo a drastic atmospheric shift—one ...

"This is the story of Earth like you’ve never seen it before—from the first spark of life to prehistoric monsters to the rise of humans… and all the weird stuff in between." We live on a magnificently ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo missions—and they’re shaking up the search for life beyond Earth. The OSIRIS-REx ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining dynamo ...

A popular model of evolution concludes that it was incredibly unlikely for humanity to evolve on Earth, and that extraterrestrial intelligence is vanishingly rare. But as experts on the entangled ...