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

The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to adulthood than scientists ...

Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles ...

Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...

A new analysis reveals Tyrannosaurus rex reached its full size only after four decades, overturning previous estimates and ...

A new study reveals that a skull presumed to have belonged to T. rex (shown here) belongs to a different species altogether. Photo by Mac Cervantes on Unsplash T. rex may not be the king of dinosaurs ...

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a tyrannosaur skull to ...

To describe the essence of Tyrannosaurus rex, the most terrifying predator that ever lived, University of Chicago paleontologist Paul Sereno offers this: “Jaws on fast-running legs.” The monster had ...

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...