In the skull of Archaeopteryx, researchers uncovered new features that may have helped the ancient creature obtain and ...

A new study suggests features in the prehistoric creature's mouth helped it eat more efficiently, giving the species the energy needed to go airborne ...

Iconic transition species between dinosaurs and birds may have had weird 'teeth' on roof of its mouth and a highly mobile ...

A flexible tongue, sensitive beak and teethlike cones in the mouth may have helped Archaeopteryx generate enough energy to fly.

Worldwide, there are currently just 12 known Archaeopteryx fossil skeletons – but researchers believe one might in fact be a new species: Ostromia crassipes A paper published earlier this week in BMC ...

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Archaeopteryx, the famous feathered fossil, was probably the oldest and most primitive bird after all. For 150 years the creature occupied top spot on the avian evolutionary tree until this summer ...

The skeleton of Xiaotingia (head is to the left) From Xu et al., 2011 Sometimes my timing is just plain awful. I had waited for years to see an authentic specimen of Archaeopteryx—the feather-covered ...

Few extinct species have emerged from the Earth with more fanfare than Archaeopteryx. In 1861, workers in a limestone quarry in Germany discovered the impression of a single 145-million-year-old ...

Archaeopteryx's status as the forerunner of modern birds is crumbling in the face of a new, closely-related fossil. The new discovery, a feathered, chicken-sized dinosaur named Xiaotingia, has ...