Tyrannosaurus Rex Fast Facts. Tyrannosaurus Rex means 'Tyrant Lizard'. T. Rex were one of the biggest meat eaters. The largest T. Rex tooth found is 12 inches (30 cm) long. They could sprint up to 20 mph (32 kph). Their length was up to 12 metres (40 feet). The T. Rex had quite a large brain for a dinosaur. read more
Check out our Tyrannosaurus rex facts for kids and enjoy a wide range of interesting information about this incredible dinosaur. Tyrannosaurus rex is possibly the most well known dinosaur due to its huge size, ferocious nature and regular appearances in popular media. read more
Tyrannosaurus Rex is by far the most popular dinosaur that ever lived, spawning a huge number of books, movies, TV shows, and even video games. What's truly amazing, though, is how much about this carnivore that was once assumed as fact has lately been called into question, and how much is still being discovered. read more