Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

This feathers-led-to-flight notion began to ... similarities between the skeletons of birds and terrestrial dinosaurs called theropods, a group that includes marquee monsters like Tyrannosaurus ...

Over the last two decades, dozens of fossilized dinosaur remains bearing evidence of feathers or quill-like protofeathers have surfaced, most notably among ornithischians and coelurosaurian theropods.

All these feather types have been found in fossil impressions of theropods, the dinosaur suborder that includes Tyrannosaurus rex as well as birds and other Maniraptorans. Filaments are found ...

Oviraptorosaurs are weird dinosaurs, which look a bit like flightless birds. But these ancient animals aren't just funny ...

The research, published in the National Science Review, details the discovery of Sinosauropteryx lingyuanensis, a new species ...

During the course of their evolutionary history, the body size of some theropod groups gradually decreased. This trend, together with many other changes to the skeleton, ultimately led to the ...

had a striking resemblance to dinosaurs like the “terrible claw” Deinonychus. What experts lacked, but hoped for, was a non-bird theropod with preserved feathers to cinch the connection.

Oviraptorosaurs are weird dinosaurs that look a bit like flightless birds. But these ancient animals aren't just ...

Even among the strangest-looking dinosaurs, few are as odd as the newly discovered Duonychus tsogtbaatari. Unearthed in ...

A stunning dinosaur fossil, Duonychus tsogtbaatari, found in Mongolia's Gobi Desert, shows an odd two-fingered, feathered ...