How do scientists monitor the populations of the threatened California red-legged frog? With careful listening and a little ...

From her messy office at the Smithsonian, ornithologist Roxie Laybourne changed aviation and crime investigation. NPR's Scott ...

As another summer of national park crowds leads to the inevitable run-ins between humans and animals—sometimes with tragic consequences—follow these expert tips on how best to proceed when you spot ...

Some states lack obstetric care at most facilities…poll finds Americans believe insurers have too much power over health ...

Fireflies (or lightning bugs) perform their light show almost every night over the summer. What to know about the popular summer beetles.