Most amphibians die when exposed to salt — except the crab-eating frog, which thrives with it. Here’s how it rewrote the ...

The leap of a frog is a quintessential evolutionary feat. The critter’s girthy gams thrust from behind to springboard the body up and out; a pair of acrobatic arms stretch forward to seamlessly break ...

In recognition of Earth Day, National Geographic is highlighting the conservation need of several lesser-known species. These, and others, are featured in the National Geographic Photo Ark, a ...

Costa Rica—which received a 2019 Champions of the Earth award, the United Nations’s highest environmental honor, for its role in protecting nature and combating climate change—hosts plenty of ecotours ...