Learn how newly discovered Purgatorius fossils in Colorado’s Denver Basin are filling gaps in the Paleocene fossil record and ...

For more than a century, paleontologists have treated dinosaurs and mammals as rival success stories that simply took turns ruling the planet. New work on how each group raised its young suggests the ...

Fossils of primitive cousins of T. rex that had short, bulldog snouts and even shorter arms have been discovered by scientists in Morocco. The two new dinosaur species belong to the Abelisauridae, a ...

Throughout the past 600 million years there have been five major mass extinction events that devastated life on Earth. While some of these events are very well studied, such as the killer asteroid ...

NEW MEXICO (KRQE) — The extinction of the dinosaurs may be ancient history, but that history continues to be rewritten, thanks in part to a professor at New Mexico State University. As Chad Brummett ...

A new study strengthens the claim that an asteroid impact ended the reign of the dinosaurs 65 million years ago. The finding by an international team of 41 researchers is published today in the ...

NEW YORK (Mainichi) -- "Don't choose extinction. Save your species before it's too late." Ahead of the 26th U.N. Climate Change Conference known as COP26 beginning Oct. 31, the United Nations ...