Key to the first bird’s flight was likely a set of never-before-seen feathers, called tertials, found on the upper arm of the ...

Archaeopteryx, often hailed as the first birds, lived during the Jurassic Period, roughly 150 million years ago. Over 160 ...

By Will Dunham (Reuters) -A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in ...

Based on what we know of living birds with long wings, the role of tertial feathers is primarily to close the wing gap and ...

The first Archaeopteryx fossil, which showed reptile and bird-like features, supported Charles Darwin’s ideas on evolution and showed that birds evolved from dinosaurs. The new study was able to ...

Most modern birds solved this issue by evolving shorter appendages to accompany their tertial feathers. But even though ...

Ancient dinosaur fossil reveals secrets of the first bird flight, 150 million years ago The fossil, which had been in private hands before being acquired by the Field Museum in 2022, is the first ...

For years, paleontologists have debated whether Archaeopteryx could truly fly. The Chicago specimen may finally put this ...

The creature could lay eggs on land, unlike amphibians. It was part of a large group known as “amniotes,” which would evolve ...

The discovery of the first Archaeopteryx fossil, with its blend of reptile-like and bird-like features, caused a sensation, lending support to British naturalist Charles Darwin's ideas about ...