Named the “king of the tyrant lizards,” T. rex was built to rule. Find out how these dinosaurs lived, what made them so vicious, and what we’re still learning about them today.

The Tyrannosaurus rex had some pretty sick things going for it. Sure, their arms were a little embarassing, but they made up for those with a five-foot-long skull and the ability to eat up to 500 ...

For the next week only, Tina the Tyrannosaurus rex chatbot will speak to users of National Geographic Kids Facebook pages in South Africa, Australia, New Zealand, and the United Kingdom.

Kids Discover Tyrannosaurus Rex Fossil in North Dakota The bones belonged to a dinosaur that was likely a teenager when it died. Only a handful of young T. rex skeletons have ever been found ...

It appears this Tyrannosaurus was about 13-15 years old, two-thirds adult size, 25 feet (7.6 meters) long and 3,500 pounds (1,600 kg). T. rex was fully grown at around 18-21 years.

Make way for Tyrannosaurus rex, everyone’s favorite killer. A new show at the American Museum of Natural History places T. rex amid a global family of prehistoric predators.

Three kids hiking in North Dakota made a larger-than-life discovery: a rare teenage Tyrannosaurus rex. The fossil specimen, now nicknamed "Teen Rex," could shed light on how the mighty Cretaceous ...