For tens of millions of years, whales have been a part of the oceans. Because of this, it would be easy to believe that ...

The oldest fossilized remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep.

Discover how the first mass extinction put jawed fishes on the map, species that would later come to dominate animal life on ...

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

Quick Take Boulenger’s backpack frog carries eggs in a dorsal pouch on its back instead of dropping them into water. This ...

Researchers found remains of a thriving marine community that existed at the beginning of the Dinosaur Age in the Arctic ...

Madhav Dhananjaya Gadgil, one of India’s most influential ecologists and a towering voice in the country’s environmental ...