(The third bone may be another new species, but the fossil's degraded condition made it difficult to tell for sure.) All of these birds are part of a group called the avisaurids. They belong to a ...

Scientists have discovered a previously unseen feature of a species of dinosaur, bringing them one step closer to ...

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

2025 — Researchers examined dozens of bird species in museum collections looking for differences in the feathers and bodies between birds that can fly and birds that can't. They found that when ...

But the fact it still holds the title of ‘first bird’ in many people’s minds may have more to do with when the species was discovered than anything else. When the first Archaeopteryx fossil was ...

Plastic waste has let common coots reuse nests year after year. Scientists have now used the trash layers to date how old nests are.