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

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

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

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

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

Navaornis fills a ~70-million-year gap in our knowledge of the evolution of the unique bird brain. Navaornis hestiae (centre) ...

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

Intense coloration can also deter predators by indicating a species' toxicity. A team of scientists, John J. Wiens from the ...

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

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

Researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Nicknamed the 'mystery mollusc,' the nudibranch Bathydevius caudactylus swims through the ocean's midnight ...