For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

Deep below the surface of the ocean, bacteria and critters that feed off nutrients spouting from hydrothermal vents met with ...

Biogeographical regions of marine organisms, i.e., their distribution across different habitats, often overlap well with the ...

Join National Geographic photographer Jonathan Irish as he explores the natural landscapes, iconic landmarks, and historical ...

Iceland is a place where the impossible becomes real,a land forged by fire and ice, where nature sculpts otherworldly scenes ...