From an elusive jaguar to an industrious beaver, photographers captured iconic animal moments around the world.

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

A variety of studies are showing that rough-and-tumble play is important for animals and kids alike.

From sharks to bats to lions, these researchers are showing their local communities the importance of these often misunderstood species to their ecosytems. Lemon sharks (pictured in the Bahamas) are ...

Why is this rhino hanging upside down? David Chancellor found out while photographing a wildlife veterinarian receiving a ...

Tigers and monkeys and tapirs, oh my! Joel Sartore's latest book, "National Geographic Photo Ark: Babies," captures the animal kingdom's most curious youngsters. Sumatran tigersPanthera tigris ...

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem.

Dim the lights, put on some slow jams... get up in the tree? National Geographic's Crittercam technology just revealed a mating ritual never before seen in any bear species. An Andean bear named Ruru ...

Cosmonauts Oleg Artemyev and Sergey Prokopyev successfully installed the first ICARUS experiment antenna on the outside hull of the International Space Station during a nearly eight-hour space walk in ...

Valued at over $4 million, the Brazilian Nelore cow dominates Brazil’s lucrative beef industry. A female calf enters an auction during the ExpoZebu Cattle Fair. This cow, a prestigious Nelore breed, ...

Frans de Waal, the prolific Dutch-American primatologist and author whose research revealed the depth and breadth of emotion and intelligence in nonhuman animals, died from stomach cancer on March 14 ...