Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or teach Mesoamericans how to plant corn. How do I know? Because they did ...

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

Magnetic crystals provide the earliest evidence yet of the plate tectonics that likely made Earth habitable, pushing its start back by 140 million years.

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

A rare daytime fireball burst to life in the skies over the Midwest on the morning of March 17, creating a loud sonic boom that rattled houses as the meteor arced Earthward before ...

The 'Invincible' bosses explain those young Nolan flashbacks, Eve's pregnancy and more in the Season 4 premiere.

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 ...