Thousands of fossils from the La Brea tar pits in California show no signs of mammals and birds evolving in response to ...

In the world of black holes, there are generally three size categories: stellar-mass black holes (about five to 50 times the ...

New clues about our earliest ancestors suggest they may have reached Eurasia sooner than scientists once thought. Fossils ...

A new study suggests two fossil trackways found in Australia were made by an early amniote, a group that today includes ...

Scientists were finally given access to a remarkable Archaeopteryx fossil that’s allowed them to better understand exactly ...

Newly discovered feathers were crucial to how Archaeopteryx was able to fly. Archaeopteryx is the fossil that helped confirm ...

A Chicago fossil of Archaeopteryx uncovers unknown features, supporting theories of bird evolution from dinosaurs and ...

Fragments of a Homo erectus skull were among deposits of vertebrate fossils found when the Indonesian seafloor was being ...

Neanderthal populations suffered a single late genetic bottleneck, refuting long-held theories about their diversity.