Scientists have discovered a remarkably well-preserved 100-million-year-old beetle fossil that provides a rare glimpse into ...

Tyrannosaurus Rex Tyrannosaurus rex arose during the Cretaceous period about 85 million years ago, and thrived as a top land ...

An international team of scientists, including researchers from Germany and the UK, have described a new species of ancient marine crocodile, Enalioetes schroederi. Enalioetes lived in the shallow ...

A 113-million-year-old marine murder mystery may finally be solved.Using chemical clues locked inside microscopic fossils, Northwestern University ...

Paleontologists are raving over a recent discovery of a well-preserved snake fossil from the Cretaceous Period, about 75 to ...

By Will Dunham July 23 (Reuters) - Snakes first appeared during the age of dinosaurs, but fossils of many early species are ...

A new study finds that one of the hottest periods in Earth's history may have driven lampreys apart -- genetically speaking. The work could have implications for how aquatic species respond to our ...

Artwork of a pair of tyrannosaur dinosaurs surveying a volcanic landscape. This depicts a scene at the end of the Cretaceous period in Earths history. A massive meteorite has impacted the Earth, ...

Nearly 66 million years ago, a large asteroid hit Earth and contributed to the global extinction of dinosaurs, allowing the rise of mammals and leaving birds as their only living descendants.

An 18-foot-long sea monster ruled the ancient ocean that once covered Kansas A newly described species of mosasaur, an extinct marine reptile, swam through Cretaceous seas 80 million years ago and had ...

Around 66 million years ago, springtime in the Northern Hemisphere brought disaster and mass death to Earth in the form of a giant asteroid impact that triggered a global extinction. 164 ...