See an update from Chicago's Field Museum about the works of Charles R. Knight and other paleoartists who pioneered the depiction of ancient life.

A controversy over pterosaurs’ plumage has taken off, with a new discovery pushing feather origins back 80 million years into the early Triassic.

Simulations of Earth’s climate 252 million years ago reveal that the same symptoms of modern climate change likely account for the time period’s extensive loss of marine life.

A toothless whale fossil without signs of baleen could help explain how the whale filtration system evolved.

Fish stuck to coastal habitats for nearly 100 million years after they first appeared.

The pelvic bones of women have been shaped more by random evolution than by natural selection, a new study finds.

A fossil from the Cretaceous Period shows similarities to modern avian species.

Unlike other populations living at high altitude, Andeans didn’t rely on hypoxia-related genes.

New findings cast doubt on previous claims that structures found preserved in rocks in Greenland are stromatolites, but the original authors say the discrepancy lies in different samples.