If the virus finds a new animal host, it could settle in for the long run—and cause more outbreaks in the future.

Biologists are wiring up nature like never before with GPS trackers, live nest cams, camera traps, and other technologies.

“Today marks day 37 without a day off.”

Thousands of bears, panthers, leopards, lions, and elephants were killed in the Colosseum—but how did they get there in the first place?

How much fuel did the rocket use per second, as measured in giant land animals?

How animal displays have shaped, and been shaped by, humans’ relationship with the natural world: an Object Lesson

Elephant seals survive on only two hours of sleep. Why can’t we?

A photographer began shooting unusual-looking coyotes on Galveston Island. They turned out to be descended from a very rare wolf species.