Beast sported a bony crest on its head that looked like the wings of a butterfly, and had the wingspan needed to take flight at a very young age.
Study reveals the key factor behind the transformation of theropods into high fliers.
Several parallel tyrannosaur tracks unearthed in Canada suggest the hungry beasts may have stuck together to better their odds of taking down prey.
It's a bird! It's a plane! No, it's actually a new non-avian dinosaur that resembled a jet and could fly with ease too.
'World-class' track site in Denali National Park shows that herds of duck-billed dinosaurs thrived under the midnight sun.
Good looks mattered to iconic early bird Archaeopteryx, which showed off colorful feathered 'trousers' 150 million years ago.
Exploiting the middle ground as a strategy may have helped dinosaurs rule the Earth for more than 100 million years.
A fossilized tooth dredged from the bottom of the English Channel near Dorset, England, belonged to a formidable Jurassic marine predator and is the largest known tooth of its kind found in the U.K.
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