As of 2021, the American Society of Mammalogists has recognized 2,277 different species of rodents, making up 35% to 40% of all mammal species on the planet, depending on which authority you talk to.

Large wild mammals—from elephants to antelopes—are already struggling to cope with global warming. Now new research shows ...

A living database reveals why the global count of mammal species keeps changing - and why accurate naming matters for ...

The wonderful world of tennis is helping nature’s tiniest mammals survive. Each year, following Wimbledon, thousands of used tennis balls are donated to UK Wildlife Trust. Volunteers at the ...

Two new species of delicate mice — Australia’s smallest rodents — were recently discovered, according to a new study. Photo from Joey Csunyo, UnSplash Two species of tiny rodents have lived undetected ...

Despite being mammals, these remarkably cancer-resistant animals share a lot in common with cold-blooded species.

Researchers discovered a previously unknown species of rodent that lives along the foothills of the Andes in Argentina. Distinguished by its long claws and brightly-colored teeth, the species was ...

Officials of Monongahela National Forest, a unit of the US Department of Agriculture Forest Service, posted a video on Facebook last week showing a small creature moving around in the darkness. The ...

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...