Meet animals that grow for a lifetime, sometimes for centuries, and discover why dinosaurs did not, despite their huge size.

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 ...

A new study on African penguins links food shortages and fishing to adult survival losses, raising the risk of extinction.

Check out the bird species you might see at your backyard feeder this winter in different parts of the state of Ohio.

If you want to keep seeing your colorful, feathery friends flocking to your bird baths during the winter months, here are ...

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 ...

Winter birding across Maine highlights familiar winter species, simple tracking clues, feeder tips and welcoming places for residents to enjoy wildlife all season.

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 ...

New research led by Israeli scientists offers a fresh perspective on the evolution of flight in dinosaurs and birds. The study, based on 160-million-year-old fossils, suggests that some winged ...

A rare set of 160-million-year-old dinosaur fossils is reshaping scientists’ understanding of how flight evolved among dinosaurs and birds, offering the first direct behavioral evidence that some ...