One feature that has long captured the attention of biologists and aquarists alike is the unusually large lips of some ...

The new work adds to the legacy of Dave Johnson, a long-time museum curator famed for his detail-oriented research on fishes ...

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

We may have gotten the evolutionary origins of the echidna backward, as new research suggests its ancestors probably lived in ...

The migrations that make up the well-known salmon life cycle have long been described as one way at a time. Juvenile salmon ...

Professor Emily Jane McTavish and colleagues at the Cornell Lab of Ornithology have mapped the evolution of every known bird ...

Fast-rising temperatures can change how plants and animals behave and disrupt the delicate timing of pollination.

Fossils of Tiktaalik roseae blended fins with hints of limbs and sported a flat head suited for peering above the waterline.