It might be less visible than dwindling lion populations or vanishing pandas, but the quiet crisis of small mammal extinction ...

Small mammals are early warning systems for environmental damage, but many species look almost identical, making them hard to track. Scientists have developed a new footprint-based method that can ...

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 ...

Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

For over 200 years, there has been just one species of giraffe, Giraffa camelopardalis. This unmistakable African animal is ...

DENVER (KDVR) — Researchers at the Denver Museum of Nature and Science discovered a new mammal species from 65 million years ago. A fossil of a skull and jaws of the newly discovered species were ...

Scientists at the American Museum of Natural History investigated old specimens that had been at the museum for decades and ...

Millions of years of isolation have shaped Australia's extraordinary mammal fauna into species unlike anywhere else in the ...

Charles Darwin assumed that male mammals are usually bigger than their female counterparts. Today, this has remained a prevailing idea in science. But a new study published Tuesday in Nature ...