A groundbreaking new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions ...

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

Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic information from living sponges, as well as chemical signals from ancient rocks, ...

Sponges are among earth’s most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic ...

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

Scientists found ancient bone chemistry that reveals animal health, diet, disease, and environments from millions of years ago.

Ever wonder how saber-toothed cats and other extinct creatures behaved? Well, a team of scientists unearthed ancient footprints that offer insight into how various prehistoric animals lived as far ...

After studying rocks more than 541 million years old, MIT scientists have found new evidence that some of Earth’s first ...

Learn how mapping gene-control switches in an ancient sea anemone reveals how identical DNA can produce many different cell ...

Learn more about the hidden molecules uncovered in animal fossils from an ancient human site, and the new view they give us ...

Researchers have uncovered compelling evidence that Neanderthals repeatedly deposited horned animal skulls in a Spanish cave over thousands of years, suggesting a culturally transmitted ritual ...