Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

Our bones did not begin deep inside the body. They started in the skin, not long after the first complex animals took shape.

Over the past half century, researchers have established that birds evolved from dinosaurs: specifically, the theropods, the ...

Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests ...

A uniquely preserved ichthyosaur from the Pliensbachian period helps resolve when a major evolutionary shift occurred among ...