In the rugged terrain where Mexico and the United States meet, a border wall is just the latest obstacle fragmenting habitats and disrupting migration paths. Here’s how a cadre of conservationists is ...

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 ...

Gordon Burghardt kept a lion cub named Meg in his home at the behest of the Knoxville Zoo. To help Meg get out some energy, Burghardt and his wife would often play with Meg in their wooded, unfenced ...

Rare attacks helped brand the cassowary as deadly, but habitat loss and human activity now pose a far greater threat to the bird’s survival. A southern cassowary stands on a beach at Etty Bay in ...

With just over 1,000 mountain gorillas left in the wild, any evidence of reproduction is cause for celebration. But the news out of the Democratic Republic of Congo this week is doubly exciting—a ...

On a Bahamian island, in a landlocked lagoon, the planet’s densest collection of seahorses is offering scientists new insights into the secret lives of one of the world’s most mysterious fish. A ...

High in the mountains, Kazakh herders have lived in careful balance with wolves for centuries. Now a celebrated tradition has become a matter of survival. As climate change affects their prey, wolves ...

Scientists recently discovered a new species of green anaconda in the Amazon rainforest. A new Nat Geo series shows the moment they encountered this snake in the wild. When you purchase through links ...

The legendary pair share their thoughts on the craft of photography, what goes into a great shot, and what they hope for the future of wildlife. Red-billed oxpeckers create a winged dance around this ...

Scientists hope understanding coyote widowhood will someday help humans in their own grief. A pair of coyotes (Canis latrans) in Griffith Park, Los Angeles. Unlike most other animals, coyotes have ...

A new study overturns previous findings that domestic cats originated thousands of years earlier. An African wildcat (Felis lybica) rests on a rock in Kruger National Park, South Africa. So far, ...

Octopus and other cephalopods are good at hiding themselves—and are inspiring cutting-edge technologies that may help us do the same. Cephalopods like the giant Pacific octopus (Enteroctopus dofleini) ...