A woman hiking near Rocky Mountain National Park was killed by a mountain lion on New Year’s Day, according to an autopsy ...

Picture an animal that huddles up with others when stressed, babysits its young, hangs out around relatives, and gathers in big groups every year. Did you imagine a rattlesnake? For a long time, ...

Filmmaker Bertie Gregory's new documentary special captures the extreme challenges facing the world's fastest land animal.

From an elusive jaguar to an industrious beaver, photographers captured iconic animal moments around the world. While monitoring the burrow of a rare giant armadillo in Brazil’s Atlantic Forest, ...

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem. Long absent from Argentinian Patagonia due to over-hunting, pumas have returned ...

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 ...

Webs can be decorated with decoys, fine-tuned like guitars—and hold secrets about evolution. A Cyclosa spider is camouflaged on a web with debris attached to make itself less visible at the Los Amigos ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

This story originally published in the September 2008 issue of National Geographic magazine. See more digitized stories from our archives here. The biologist Iain Douglas-Hamilton is walking up on an ...

The celebrated author wrote a bestseller on birding. This is how she got started. Writer Amy Tan scours her yard in Sausalito, California for birds. Her recently published book, The Backyard Bird ...

The snake-tail mantis shows there’s more to these insects than just cannibalism. This male snake-tail mantis, Ameles serpentiscauda, has three simple eyes (ocelli) visible between its antennae, which ...

As a corner of Africa heats up, new research shows how the future of the species rests with powerful matriarchs making tough choices for survival. Meerkats return to their burrow at South Africa’s ...