Stripe patterns are commonly seen in nature—for instance, birds and fish move in coordinated flocks and schools, fingerprints ...

When compared to regions that have been geographically isolated for extended periods of time or that have enormous ...

Primates are the most fascinating and diverse mammals on Earth, ranging from familiar monkeys to bizarre, unusual and ...

Parental instinct in animals is usually tied to the survival of their species. But sometimes, animals surprise us.

You’ve had your own personal set of fingerprints since before you were born, and they’ll be with you throughout your whole ...

In the process, she has given many OTTBs a second chance at a good life, whether as a sport horse, a pleasure horse, or ...

Ever seen a cat run in its sleep? Learn how feline sleep cycles and REM dreaming cause those funny paw flicks and twitching legs.

Discover which species star in “The 12 Days of Christmas,” how they live, and whether they’d enjoy life as unusual holiday gifts.

A fossilized vulture feather reveals how volcanic ash can turn fragile tissues into stone with astonishing detail.

In a national park in Patagonia, something remarkable is happening between predators and prey: Pumas are returning—and ...

One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet ...

Four new portraits have gone up at the Smithsonian National Portrait Gallery, showcasing this year’s recipients of the ...