9 dino-mite dinosaur stories that will have you roaring
What’s a dinosaur’s least favourite reindeer? Comet!
Here at Cosmos we love a good dinosaur story – who doesn’t? These prehistoric creatures capture everyone’s imaginatio...
Tyrannosaurus rex
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Bone disease found in T-rex jaw
Scans reveal an infection in a 68-million-year-old fossil.
We know a lot about the jaws of the Tyrannosaurus rex, from the bite force of a baby dinosaur to the way adults crunc...
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How did T. rex break bones with its bite?
3D modelling suggests it chomped like an alligator by anchoring its jaw in place.
The Tyrannosaurus rex might be known for its ferocity and its mouth full of serrated teeth, but how did it actually b...
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How fast was a T. rex?
The king of dinosaurs may have walked as slow as a human.
Walking speed of a T-rex. Credit: Rick Stikkelorum, Arthur Ulmann & Pasha van BijlertThe Tyrannosaurus rex may ha...
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Research
How many T. rexes ever lived? Billions
Analysis reveals 2.5 billion of these iconic carnivores roamed the Earth.
Paleontologists have crunched the numbers to estimate just how many Tyrannosaurus rexes lived and died – and the answ...
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How a baby T-Rex bites
Researchers use 3D modelling to examine the jaws of different-sized tyrannosaurs.
Finite element analysis results for an adult Tyrannosaurus rex (FMNH PR 2081) jaw demonstrating a range of biting str...
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Tiny Tyrannosaur trod lightly
Two juvenile skeletons fill gaps in the story of the mighty T.rex.
Modern science and ancient fossils are slowly letting us watch the fearsome Tyrannosaurus rex evolve, and a new disco...
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Big, burly, and bad to the bone
Canadian researchers claim their T.rex is bigger than your T.rex.
Meet Scotty, reputedly the largest Tyrannosaurus rex ever found, at least in Canada.Scotty currently lives at the Roy...
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T.rex ancestor sheds light on predator evolution
US discovery adds important piece to evolutionary puzzle.
As every school child knows, Tyrannosaurus rex was an enormous and ferocious apex predator. Right now, however, at le...
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Could Tyrannosaurus rex run? Probably not
Leg bones of a T. rex would snap under pressure of a sprint.
https://youtu.be/YMmgnpcaKyMNew discoveries never seem to be good news for Tyrannosaurus rex. In the early days o...
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Tyrannosaurus Rex a champion bone crusher
Bite force and tooth pressure to chomp nutritious bones.
The science behind Steven Spielberg’s dino-calyptic classic Jurassic Park might have been off on any number of things...
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New dinosaur species had tiny arms like T. rex
Dino with similar forelimbs to the King of the Tyrant Lizards.
The characteristically diminutive arms of Tyrannosaurus rex that have long been the subject of jokes and internet mem...