Analysis of the fossil suggests that the only two egg-laying mammals, platypuses and land-based echidnas, both descended from ...

A recent discovery in the Gobi Desert, Mongolia, has unveiled a new mammal species that dates back to the Late Cretaceous ...

New maps released this week document the world’s largest land mammal migration, revealing the seasonal journeys of more than ...

Exeter scientists are among those who have discovered many animals learn and pass on behaviors through social learning or ...

By analyzing the arrangement of vertebrae in the spines of nearly 400 species of tetrapods—a group of animals with four limbs ...

Experts urge US to prepare for possible new pandemic as new H5N1 bird flu outbreak spreads to dairy animals, human infections. Here's what to know ...

Protection by the state could prove critical as the Trump administration proposes new rules to weaken the federal Endangered ...