Two of the earliest mammal groups of the period likely were discerning about the types of insects they ate.
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.
Venezuela's first-known dinosaur provides some of the earliest evidence that at least some dinosaurs lived in herds.
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.
+ Load More