Tyrannosaurus rex lived around 65 million years ago, join Andy as he travels back in time to see a t-rex with her babies.

Named the “king of the tyrant lizards,” T. rex was built to rule. Find out how these dinosaurs lived, what made them so ...

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 ...

IMAGE: Gus the Tyrannosaurus Rex skeleton at Sotheby's auction house in New York City, July 1, 2026. A close-up of the rib ...

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 ...