From their odd appendages to their unsavory hygiene, certain animals suffer an image problem. But their awkward attributes ...

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against ...

Isolation allows creatures to thrive as their relatives perish due to the threats present on much larger landmasses ...

Birds like sour tastes: Sour foods are often avoided by mammals, but many birds regularly feed on highly acidic fruits.

Scientists mapped dolphin and whale brains to uncover how echolocation works, revealing they may use sound more like touch ...

A comparative study shows that marine worms shattered their genome and rebuilt it in a radically different form when they first emerged from the sea 200 million years ago ...

Footage captures a pair of orcas nibbling each other's tongues in the Kvænangen fjords in northern Norway. Scientists think ...

Darwin imagined evolution as a slow, gradual progress, with species accumulating small changes over time. But even he was ...

Surprising new fossil evidence undermines the idea that there was ever a mass extinction on land – and may force us to ...

Orcas were spotted using kelp as a grooming tool on each other, the first known use of tools among cetaceans for something ...