A 74-million-year-old bone discovered in New Mexico may belong to an ancestor of T. rex, offering clues about the giant predator.

Imagine stumbling across a fossilized shinbone so massive it nearly rivals that of “Sue,” the most famous Tyrannosaurus rex ever unearthed. That is exactly what paleontologists are grappling with ...

“Sue was found in much younger rocks than this tibia, so our tyrannosaur was the largest predatory dinosaur of its kind,” ...

A new analysis of a shinbone from the oldest known giant tyrannosaur in North America suggests that the 'king of dinosaurs,' ...

The emergence of the world’s most iconic predator remains a scientific mystery. This latest discovery offers a critical clue ...

A new analysis of a large shinbone unearthed in a remote spot in northwestern New Mexico in the 1970s shows it belongs to a ...

For decades, pop culture has painted Tyrannosaurus rex as a heavy-footed titan whose every step would make the ground tremble ...

The exhibit, the first U.S. stop outside of Japan, compares Fossil Pokémon like Tyrantrum and Archeops with real-world ...

This suggests the dinosaurs hunted different prey at various stages of life. The faster juvenile T. Rexes probably chased ...

Evolutionary biologists and biomechanics experts are giving the apex predator a serious makeover. It turns out the T. rex was remarkably dainty on its feet. Instead of slamming its heels into the dirt ...

Several piles of rubble indicate that demolition has begun inside DINOSAUR. Theming models have also arrived near the edge of ...

The College of the Atlantic student used biomechanical modeling to show the predatory dinosaur walked on its tiptoes like an 8-ton bird.