The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed ...

Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years ...

The history of the first plant on Earth is not as simple as the identification of a particular species of plants, but it is a ...

In the 20th century, scientists began to suspect Earth was a lot older than we thought. It was our old friends/deadly foes, ...

Shoshone Falls, Idaho, USA, was shaped by ancient floods and shifting rivers. Today, it’s one of the largest natural waterfalls in America. Its dramatic setting hides a long geologic story. Analyst ...

The tiniest life forms are also among Earth’s toughest, from near-invincible tardigrades to extremophilic microbes that thrive near volcanoes and hydrothermal vents. But could some of these itsy-bitsy ...

The Disclosure Day director shares his conspiracy theories and his plan to finally make a western.

There are worlds like hot Jupiters, gigantic and very hot, as well as ocean worlds and super-Earths with a rocky structure ...

Chosen families are evolving but remain a cherished—and vital—lifeline for many. Mention "communal living" and the image that may spring to mind is the free-love, back-to-the-earth hippy communes of ...

Desert locust swarms can stretch 40 miles wide and contain billions of insects. When they descend on farmland, crops vanish within hours. But what triggers these enormous swarms in the first place?

Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) ...