Long before mammals dominated the land and even before the most famous dinosaurs appeared, Earth was home to a wide variety ...

A prehistoric Equisetum horsetail plant that survived 400 million years produces oxygen isotopes and water with an extreme ...

The herbivorous dinosaurs of the Mesozoic are often imagined as peaceful giants, but their true nature is more complex.

New findings suggest humans mastered fire far earlier than believed, transforming diets, social life, and survival in ancient ...

When the asteroid ended the age of non-avian dinosaurs, it cleared ecological space on a global scale. Small survivors ...

Discover the untold stories of Earth's mass extinctions through NBC's new series Surviving Earth, premiering June 4. Get a ...

Researchers reconstructed the Triassic food web using nothing but scat. Researchers have conducted what could be the largest study ever of dinosaur poop. The findings shed new light on how dinosaur's ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct ...

The extinction of the dinosaurs has been a hotly debated topic for decades, and whether it was an asteroid, a volcanic eruption or even poisonous plant species. But researchers have found hard ...

Add Yahoo as a preferred source to see more of our stories on Google. Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while ...