About 1,740,000 results
Open links in new tab
  1. Tyrannosaurus rex | Description, Dinosaur, & Facts | Britannica

    Dec 12, 2025 · Tyrannosaurus rex, species of large predatory theropod dinosaurs that lived during the end of the Cretaceous Period (about 66 million years ago) known from fossils found in the United …

  2. Tyrannosaurus - Wikipedia

    The type species Tyrannosaurus rex (rex meaning 'king' in Latin), often shortened to T. rex or colloquially t-rex, is one of the best represented theropods. It lived throughout what is now western …

  3. 7 Questions About Tyrannosaurus rex - AMNH

    Uncover the secrets of T. rex, from its towering size to its powerful bite, with these seven common questions about the king of dinosaurs.

  4. Tyrannosaurus rex - National Geographic Kids

    But Tyrannosaurus rex was one of the fiercest predators of all time. T. rex had a massive body; a mouth full of 60 eight-inch-long, supersharp teeth; and the strongest bite of any land...

  5. Tyrannosaurus rex - Smithsonian Institution

    Apr 1, 2014 · What was the world like when T. rex was alive? Although the current landscape of Wyoming and Montana is dry and grassy, it probably resembled a Louisiana floodplain when T. rex …

  6. Tyrannosaurus Rex: The King of the Cretaceous Period

    Oct 27, 2024 · Tyrannosaurus Rex is the iconic dinosaur that ruled the Cretaceous Period. Learn about its origins, key facts, and unique features.

  7. Tyrannosaurus rex, facts and photos | National Geographic

    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.

  8. A New View of T. Rex - Smithsonian National Museum of Natural History

    Learn about the Wankel Tyrannosaurus rex skeleton, T. rex fossils, and current research into how T. rex stood and walked.

  9. Tyrannosaur | Size, Species, & Facts | Britannica

    Oct 31, 2025 · The best-known and largest member of the group is Tyrannosaurus rex, or T. rex. The “king of the tyrant lizards,” as its Latin name is usually translated, walked on powerfully developed …

  10. Tyrannosaurus rex Fossil | American Museum of Natural History

    Learn more about the famous mega-predator Tyrannosaurus rex. This famous fossil is shown in a stalking position: head low, tail extended, one foot slightly raised.