Most people imagine a vet cuddling puppies, but the truth of working in the wild is far weirder (and way funnier).

What starts as a small act of payback doesn’t always stay small. A sarcastic comment, a harmless plan, a moment meant to ...

Chimpanzees are clearly among the most intelligent of all non-human animals, but they are rarely regarded as killers. And yet ...

The monogamy rate in humans may be higher than you expected... but we do it in a strange way compared to other animals.

Smokey Bear. Ham the Space Chimp. Hsing-Hsing and Ling-Ling. Not many animals reach celebrity status, but it’s a bit of a tradition here at the Smithsonian’s National Zoo. In January, we rolled out ...

New work explores why consciousness evolved and what observing birds can teach us about its biological purpose.

Humans are still evolving! From skin color to lactose tolerance and disease resistance, discover how our bodies keep adapting ...