Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed how the first birds managed to fly while their non-bird dinosaur cousins could not. The ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...

By about 175 million years ago, a group known as Pennaraptora had emerged - the closest known relatives of modern birds and the only dinosaur lineage to survive the mass extinction 66 million years ...

A Tel Aviv University–led study of 160-million-year-old fossils shows that some feathered dinosaurs likely became flightless, challenging the idea that the evolution of flight followed a linear path ...

In eastern China, fossils of dinosaurs called Anchiornis have been discovered with their feathers intact. These specimens, 160 million years old, offer a unique opportunity to study the anatomy ...

Birds today make flight look effortless, but its evolution was complex. Scientists are still trying to discover exactly how birds took to the skies, and today, a new perspective has emerged by ...

Some birds migrate thousands of miles every autumn. How exactly do they manage it? Scientists built a flight chamber to find out. Some birds migrate thousands of miles every autumn. How exactly do ...

Slow-motion footage of baby birds helps scientists uncover how their ancestors took to the skies. Birds today make flight look effortless, but its evolution was complex. Scientists are still trying to ...