The federal government has failed to give adequate information on deaths of killer whales and other marine mammals that become entangled in commercial trawling gear in Alaska waters, claims a lawsuit ...

Scientists have updated the conservation status of hundreds of mammals in Argentina, adding previously unassessed species and ...

This is read by an automated voice. Please report any issues or inconsistencies here. More than 400 marine mammals have been reported stranded or sickened along California’s Central Coast since June.

For the first time, confirmation of the deadly H5N1 virus has been detected in California's elephant seal population.

Many mammals have fur the color of brown and black. Why don't they have more exotic colors, like purple and neon pink?

From its long, flexible trunk to its loud trumpeting sounds, there’s a lot to admire about an elephant. But how much do you know about these massive creatures? Where do they live? How big can they get ...

According to most experts, the first mammal was Morganucodon, a small, shrew-like rodent that appeared during the Jurassic Period, approximately 200 million years ago. It weighed a few ounces and ...

Being nursed by a single parent could be an evolutionary strategy to curb the spread of harmful microbes in mammals, according to a novel theory developed by mathematicians. The rainforests of ...

The platypus is one of nature’s strangest mammals. This egg-laying animal sweats milk, hunts by sensing electrical signals, ...