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

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

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

Whale ancestors were terrestrial mammals that walked on four legs. This bone structure that helped them walk eventually ...

Voles are small mammals that tend to have large heads, compact bodies, and short noses. Microtus means “small ear” and the voles of this genus have short ears that barely protrude from the fur ...

Not all mammals are created equal. Though all wonderful creatures, some are more suited to human companionship than others.

The report shows improvement related to deaths but continued hearing loss and other injuries from some exercises.

Shaggy black fur and large size distinguish this animal from all other Adirondack mammals. The black bear has a short, inconspicuous tail. The body and legs are short. The head is broad with erect, ...

Understanding how life rebounded after an asteroid strike 66 million years ago, which wiped out up to 75 percent of Earth’s species and ended the dinosaurs’ reign, has been hard. Fossils from the ...

But the hyoid matters for more than manners. As a sort of structural scaffold for the conduit between mouth and esophagus, this small-but-mighty bone shuttles food that’s already been partially broken ...

Sixty-six million years ago, our distant ancestors lived through perhaps the most violent event in Earth's history. How did a band of small, insignificant mammals scuffling in the shadows survive the ...