Deep in silence, as if under a spell, children watch intently as Bacuri, a young Amazonian manatee, glides around a small plastic pool. When he surfaces for ...

Why do some ancient animals become fossils while others disappear without a trace? A new study reveals that part of the answer lies in the body itself. The research shows that an animal's size and ...

"For many years, the scientific community considered it an extinct species in Mexico." Scientists make unexpected discovery ...

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

Introducing captive-bred axolotls to restored and artificial wetlands may be a promising option for the popular pet amphibian.

We may have gotten the evolutionary origins of the echidna backward, as new research suggests its ancestors probably lived in ...

A new study published in Nature Ecology & Evolution has put to the test what happens when dominant ant species vanish from ...

Mexican gray wolf conservation remains a concern in Arizona, but in some of the same areas, prairie dogs create new issues.

After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became Earth's dominant land ...

After at least seven livestock animals were killed by a wolf or wolves in central New Mexico over the last year, the U.S.

Analysis of single bone may tell us if the platypus is an evolutionary anomaly — starting on land, then returning to water.