A 2021 astronaut photo shows a triple valley system in Argentina's Los Glaciares National Park where a massive ...

Atmospheric rivers are massive plumes of moisture carried across the sky that can dump heavy rains or snow over land.

A climate-induced reckoning is playing out on the Colorado River. The 1,450-mile-long river provides water to over 40 million people and more than five million acres of agriculture across the western ...

National Geographic-Lindblad Expeditions will unveil Evolve in 2027, which will join sister ship Connect, and sail on European Christmas market itineraries. “Evolve gives us the ability to meet rising ...