There is a limit on how many times a mammal can be cloned before suffering "mutational meltdown," Japanese scientists have ...

New research has dramatically expanded the known roster of mammals on Earth. A new review published in the Journal of Mammalogy shows that the number of living mammal species has surged to nearly ...

In the natural world—where predators pounce, prey flee, and group members feed and sleep in solidarity—animal behavior is glorious in its variety. Now, new research suggests there may be an underlying ...

In a remarkable deep-sea breakthrough, researchers have discovered 24 new species of amphipods in the Pacific’s ...

The species’ melanosomes—tiny, pigment-filled structures inside hair cells—are hollow, a trait never before seen in mammals ...

In a study published in The Anatomical Record, researchers have identified a new species of large-bodied gorgonopsian from the middle Permian. The discovery pushed back the known origins of when these ...

Finding a lifelong partner is uncommon in the animal kingdom. Most species focus on mating opportunities rather than lasting ...

Add Yahoo as a preferred source to see more of our stories on Google. SAN DIEGO – In 1959, the Navy stood up its Marine Mammal program here. With one dolphin, researchers set out to study how fast the ...

Scientists have discovered new animal species living in Cambodia, following an extensive survey of the country’s underground ...

Habitat fragmentation can decrease biodiversity by up to 75% within an ecosystem. As species are forced to live in a fraction ...