Researchers hope the "exquisitely preserved" fossil will cast new light on an enduring mystery in paleontology.

Among extant genes known to have originated among Denisovans are sequences common in Tibetan populations that help the body ...

Throughout the world, there are creatures that haven't evolved for millions of years, and these eight living fossils ...

Researchers discovered that animal color vision evolved long before colorful fruits and flowers, with warning and sexual ...

A unique fossil discovery in Brazil provides new insights into bird brain evolution, while a study highlights drastic ...

Researchers unearthed the skull of a previously unknown starling-sized bird species named Navaornis hestiae that was so well ...

Navaornis is likened to a sort of Rosetta Stone for decyphering the evolution of bird brains.

Birds descended from the dinosaurs, but researchers have known relatively little about how the bird's brain took shape over ...

In this striking study, science writer Black (The Last Days of the Dinosaurs) presents vignettes illustrating the complex ...

Male pregnancy is a rare phenomenon in the animal kingdom, with just three vertebrates exhibiting this behavior. The seahorse ...