Fossilized bones and teeth dating to 773,000 years ago are providing a deeper understanding of the emergence of Homo sapiens.

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

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

A new analysis of enigmatic skulls from the Republic of Georgia suggest that Homo erectus wasn't the only human species to ...

This fossil is 13 million years older than any ant fossil found before—and reveals a sophisticated predator that lived alongside the dinosaurs. The hell ant existed over 100 million years ago, ...

Whatever happened to the duck-billed dinosaur, it was a real pain in the butt. Many of the spines sitting atop the animal’s tail vertebrae had been fractured. The dinosaur, known as Olorotitan to ...

Ancient anaconda fossils show that the snakes became giants soon after emerging in Miocene South America. Their size has stayed stable for over 12 million years, even though other huge reptiles went ...