Tyrannosaurus rex is often called the scariest and most feared dinosaur to ever walk the Earth, but science still debates what that reputation truly means. Fossils reveal crushing bite power, a ...

Tyrannosaurus rex is arguably the world’s most famous dinosaur, yet paleontologists are still learning more about this giant ...

Tyrannosaurus rex was a late developer who kept growing until the age of 40, reveals new research. The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to ...

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 ...

The behemoth dinosaurs grew more slowly and had longer lifespans than previously thought, a new study suggests ...

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of Tyrannosaurus rex to estimate how old the giant carnivores were when they died and ...

From riverbanks to shallow lakes, Spinosaurus combined display, biomechanics and hunting power in one of evolution’s strangest designs.