A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed bone tissue from fossils to determine their results.

WASHINGTON (Reuters) - Surmising even the physical appearance of a dinosaur - or any extinct animal - based on its fossils is a tricky proposition, with so many uncertainties involved. Assessing a ...

Tyrannosaurus rex is arguably the world’s most famous dinosaur, yet paleontologists are still learning more about this giant ...

Dinosaurs haven’t roamed the Earth for millions of years, but the nature of their reign has sparked no shortage of controversial debates among paleontologists that remain unresolved today. Late last ...

T-Rex: The Ultimate Predator offers a thrilling journey into the life and evolution of one of Earth’s most iconic dinosaurs, now on display at the Bullock Texas State History Museum. This ...

The behemoth dinosaurs grew more slowly and had longer lifespans than previously thought, a new study suggests ...

Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus relied more on slashing ...

The Isle of Skye is famous for its dramatic landscapes and medieval history — but long before castles and clans, it was a bustling dinosaur hotspot New research reveals that ancestors of Tyrannosaurus ...

It's a bit like Cinderella trying on her glass slipper... except the shoe is squishy mud, the foot weighs tons, and the owner ...

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong.The teeth on T. rex ...

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