Researchers made an extraordinary discovery of 9,000-year-old rocks with drawings etched into them, positioned next to footprints believed to belong to dinosaurs from the Cretaceous Period around 66 ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...

A new study sheds light on how these reptiles become “mummies” and paints a picture of what these ancient animals looked like. Paul Sereno and his colleagues spent years painstakingly preparing this ...