Sloths, the world's slowest mammal, have been around for 64 million years. Sharyn Alfonsi traveled to Costa Rica to learn more about how they've survived.

The pangolin is “the most trafficked mammal in the world” in large part for its scales, used in traditional Chinese medicine, and meat, according to the World Wildlife Fund.

The Kaʻohe Game Management Area in Waimea will open to game mammal hunting with a muzzleloader or shotgun (with slug) on July 3. The season will continue through Aug. 31, excluding Aug. 27-28 ...

Civets are mostly tree-loving, night-roaming mammals found across Asia and Africa. Their bodies are slender with coarse fur, and some species sport spots or stripes that help them blend into the ...

A tiny jaw fossil in east-central Greenland leads to the discovery of a new mammal-like species, Nujalikodon cassiopeiae, from 200 million years ago.

A tiny jaw fossil in east-central Greenland leads to the discovery of a new mammal-like species, Nujalikodon cassiopeiae, from 200 million years ago.

A tiny jaw fossil in east-central Greenland leads to the discovery of a new mammal-like species, Nujalikodon cassiopeiae, from 200 million years ago.