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 ...

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.

Members of the Tyrannosaurus Rex family may be known for their fighting skills, but that doesn't mean they weren't sensitive lovers, a new study suggests. Journalist Bonnie Burton writes about movies, ...

Fossils found 50 years ago were initially thought to belong to another species. Paleontologists have discovered a new species of dinosaur that was related to the infamous Tyrannosaurus rex. The dino ...

WASHINGTON (Reuters) - T. rex still reigns as the king of dinosaurs, according to scientists who on Monday argued against a contentious hypothesis advanced this year that the mighty meat-eater ...

A team of researchers, including those from the New Mexico Museum of Natural History and Science (NMMNHS), say the discovery of a new dinosaur subspecies is believed to be a more primitive and older ...

New research confirms that Nanotyrannus was not a juvenile T. rex, but a predatory species native to the Late Cretaceous ...