Fossils of alvarezsaurid dinosaurs show bird-like air sacs in their bones. Scans revealed hollow spaces connected to their ...

The bone’s architecture—the shape of the femoral head, its separation from the shaft ... a group of ornithischian (bird-hipped) dinosaurs known for their bipedal stance and, eventually ...

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

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

Fossils unearthed during construction of a water pipeline in the Gobi Desert of Mongolia have revealed one of the oddest ...

But in Australia, since the oldest fossilized dinosaur bones come from the Middle Jurassic ... in which the animals that made the tracks were headed. The 66 fossilized footprints, which range ...

Cerapodan dinosaurs were plant eaters and were small ... a groove on the back of the top of the femur and the shape of the head itself was distinct, uniquely cerapodan. The team has dated the ...

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