The repeated evolution of huge birds is part of the dinosaurian legacy. Beaked birds were the only dinosaurs to have survived ...

“Big Bird Taken Off Death Row,” announced a Washington Post ... decade” since she characterized other Americans as ...

President Trump has fought plenty of political heavyweights, but now he’s up against a foe far tougher than Secretary Clinton ...

This undated handout photo shows two images together with an interpretive line drawing of the Chicago Archaeopteryx, a ...

For centuries, scientists have observed that animals in warmer climates have longer limbs—a pattern known as Allen's Rule.

A new study led by researchers from China and the United States has unveiled a well-preserved specimen of Archaeopteryx ...

Archaeopteryx is the fossil that proved Darwin right. It's the oldest known fossil bird, and it helps show that all birds— ...

Complex neural circuits likely arose independently in birds and mammals, suggesting that vertebrates evolved intelligence ...

“Big Bird Taken Off Death Row,” announced a Washington Post ... decade” since she characterized other Americans as ...