Earth was a terrifying place during the Cretaceous period, some 66 million to 145 million years ago. During its tail end, Tyrannosaurus rex prowled the land. And a little before that, another kind ...

One hundred years of Tyrannosaurus rex : the skeletons / Neal L. Larson -- Wyoming's Dynamosaurus imperiosus and other early discoveries of Tyrannosaurus rex in the Rocky Mountain West / Brent H.

Scientists have identified a never-before-seen species of dinosaur called the dragon prince — a prehistoric predator that set tyrannosaurs on the path to ruling Earth. This newly discovered relative ...

Scientists discover new marine T rex that was twice the size of great whites and ‘meaner than any mosasaur’ - Researchers say ...

Dinosaur Institute researcher shows throat bones accurately record maturity in dinosaurs, establishing Nanotyrannus was a fully grown, entirely distinct species from T. rex “The identity of the ...

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those smaller fossils were really just awkward teenage versions of the king of ...

It ran on the tips of its toes. Its bite was brutal enough to take down a titan. And its neck was so strong, there was no way ...

The largest-ever study of how Tyrannosaurus rex grew shows a much longer, slower path to adulthood than scientists previously thought. For decades, scientists have been counting annual growth ...

WASHINGTON — At the twilight of the age of dinosaurs, an agile and vicious predator named Nanotyrannus prowled western North America, resembling a smaller version of Tyrannosaurus - about a tenth the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What did the T. rex use its little arms for? – ...