The first complete mapping of the genome of the quirky duck-billed platypus reveals how it got so strange.

A new theory solves a problem with Charles Darwin's idea of early life evolving in "warm little ponds" despite the world being covered in oceans.

A whole-genome comparison of bonobos and chimpanzees reveals the pathways associated with differences between their diets, sociality, and sexual behaviors.

A genetically engineered killer T cell can identify and attack the T cells that cause type 1 diabetes in mice, researchers report.

New research seeks to understand Homo floresiensis and human evolution by comparing the bones of island and mainland foxes.

A single fossil skull, partially trapped in rock, reveals a new species of bird called Falcatakely and its very unusual beak.

A single fossil skull, partially trapped in rock, reveals a new species of bird called Falcatakely and its very unusual beak.

Skull fossils from a species of extinct amphibians called albanerpetontids shows the oldest-known evidence of a slingshot-style tongue, researchers say.

"Wood warblers are an incredibly colorful and diverse group of birds, with more than a hundred species in total." Here's why.

"Wood warblers are an incredibly colorful and diverse group of birds, with more than a hundred species in total." Here's why.