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

Egyptian geese are aggressively territorial. During mating, they are monogamous, making it likely the pair fighting the ...

As a corner of Africa heats up, new research shows how the future of the species rests with powerful matriarchs making tough ...

Photojournalist Ami Vitale followed Przewalski’s horses—once declared extinct in the wild—on a 2,000-mile journey back to ...

Using drones and cameras attached to the orcas, scientists have finally been able to learn something about the interaction ...

They say every generation thinks it's the end of the world. But the Santa Cruz long-toed salamander has been staring at oblivion since 1967 That’s the year the amphibian was listed under the ...

He photographed the darkly colored, paperclip-size tadpoles in Cedar Lake, part of Canada’s Vancouver Island. “The challenge was to get the camera-to-subject distance just right and light them well ...

From their odd appendages to their unsavory hygiene, certain animals suffer an image problem. But their awkward attributes can be their biggest advantages. Found across every continent except ...

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 ...

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 ...

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 ...