Smithsonian researcher Klara Widrig studies living birds to build 3D models of their ancestors’ anatomies, uncovering how ...

Arizona is home to 29 bat species, from tiny canyon bats to two-foot-wide western mastiffs. Scientists are working to uncover ...

Huge herds of migrating bison are a historic memory in Northcentral Texas and Southwestern Oklahoma. However, the Rolling Plains region still hosts hundreds of migratory species.

Bat-related reports have more than tripled compared with previous months in Allegheny County, according to infectious disease ...