A new dinosaur species from Patagonia, Joaquinraptor casali, steps out of the shadows with a telltale clue clenched in its ...

Cara Tabachnick is a news editor at CBSNews.com. Cara began her career on the crime beat at Newsday. She has written for Marie Claire, The Washington Post and The Wall Street Journal. She reports on ...

Around 252 million years ago, Earth experienced its most catastrophic extinction event. Widely known as the Permian extinction and dubbed the “Great Dying,” it wiped out an estimated 90 percent of ...

Researchers in Australia have discovered fossils of two enormous predators that lived alongside one another, upending ideas about how the ancient ecosystem operated down under 120 million years ago.

Large meat-eating dinosaurs attained their great size through very different growth strategies, with some taking a slow and steady path and others experiencing an adolescent growth spurt, according to ...

A new “apex predator” dinosaur species has been discovered based on its fossil, unearthed in Argentina with a crocodile bone stuck in its jaws. The species has been named Joaquinraptor casali, and was ...