WASHINGTON (Reuters) - A group of researchers is proposing that Tyrannosaurus, the most famous of all dinosaurs and the ultimate apex predator, actually includes three species and not just the single ...

If Tyrannosaurus rex is too mainstream, discerning 10-year-olds may now have a new name to spout when asked their favorite dinosaur – Tyrannosaurus mcraeensis. The newly identified species appears to ...

The jaw fossil for Tyrannosaurus mcraeensis has key distinctions from T. rex. Paleontologists have discovered a new species of dinosaur that could be the closest-known relative of the famed ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

A study published this week proposes three species of Tyrannosaurus instead of the long-accepted single species rex. The researchers analyzed dozens of T. rex specimens, of which there are only about ...

A tiny 3-foot-tall relative of the Tyrannosaurus rex has been discovered and named. The new dinosaur, dubbed Suskityrannus hazelae, was found by Virginia Tech paleontologist Sterling Nesbitt in New ...