A newly discovered dinosaur species offers hints that feathers were much more common among the ancient beasts than once thought.
Several parallel tyrannosaur tracks unearthed in Canada suggest the hungry beasts may have stuck together to better their odds of taking down prey.
One of the first predators of its day, the creature sported compound eyes, body armor and two spiky claws for grabbing prey.
Gigantic sea scorpions that lurked in the ocean more than 400 million years ago weren't as scary as they sound.
Good looks mattered to iconic early bird Archaeopteryx, which showed off colorful feathered 'trousers' 150 million years ago.
More than a million years ago, hippopotamuses paddled across a shallow pool in the region that's now northern Kenya, occasionally scraping their feet on the sandy bottom.
Predatory reptiles that trawled the oceans during the age of the dinosaurs used a rowing motion to scoop up prey, new track marks uncovered in China reveal.
A pterosaur fossil treasure trove consisting of 3-D eggs and remains for hundreds of the flying reptiles reveals they were very social creatures.
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