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

CT scans also indicate Archaeopteryx had nerve endings in the end of its beak—part of what’s known as a bill-tip organ. Again ...

Birds are some of nature’s most beautiful creatures and some of the smartest — but some of our feathered friends are also downright bizarre. From birds with faces only a mother could love to species ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A peculiar fossil ...

If you ever find yourself wandering through the forests of Peru, you’re likely to notice a unique and colorful bird called the Andean cock-of-the-rock. As you’ll see in this YouTube video, this unique ...

Rare bird sighted in the UK this month looks like a "robin that's been to the paint shop" - and it's unusual to spot one in ...

A Michigan State University study, reported on by Earth.com, revealed thousands of bird species' survival habits. Many won't survive the changing climate. Researchers studied the link between bird ...

An illustration of the fossil skeleton of the new bird species Imparavis attenboroughi and a reconstruction of what the animal would have looked like in flight ...

A peculiar fossil has helped scientists discover an unusual bird that lived among the dinosaurs 120 million years ago, and the find is changing the way researchers think about avian evolution. The ...