Since 2005, the global count of living mammal species has risen by 25%.

On a fenced U.S. preserve, a pair of heavy‑boned canids now stalk and play that, until recently, existed only in tar pits and ...

Scientists found an unexpected aging pattern in a mostly intact juvenile mammal skeleton from the paleontological period. By Jack Tamisiea Small mammals often live fast and die young. Rodents and ...

Add Yahoo as a preferred source to see more of our stories on Google. Large wild mammals – from elephants to antelopes – are already struggling to cope with global warming. Now new research shows that ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed. More mammals were living on the ground several ...

If textbooks ever made you believe mammals like humans, cats, and kangaroos first evolved somewhere up north, think again. A remarkable discovery from Australia has flipped our understanding of mammal ...

Deep in the leaf litter of Hispaniola lives a creature that defies modern evolutionary logic. The Hispaniolan solenodon ...

Whales, dolphins and seals living in U.S. waters face major threats from warming ocean temperatures, rising sea levels and decreasing sea ice volumes associated with climate change, according to a ...

PORTLAND, Maine (AP) — Whales, dolphins and seals living in U.S. waters face major threats from warming ocean temperatures, rising sea levels and decreasing sea ice volumes associated with climate ...