Writer--and Everest expert--Mark Jenkins takes you all the way from Base Camp to summit with a video tour.
Enjoy the latest news from our Everest Expedition team on the On Everest blog.
What happens when the planet loses some of its ability to cool itself?
Since satellites began regularly measuring Arctic sea ice in 1979, it has declined sharply in extent and thickness.
A tree-climbing scientist takes the measure of a 3,200-year-old, 247-foot-tall sequoia.
When Sir Andrew Waugh, surveyor general of India, reported the measurements for Peak XV and declared it the highest mountain in the world, he proposed it be named after his predecessor, Sir George Everest.
Find out why you shouldn’t panic—at least, not yet.
Thirty years after the blast, Mount St. Helens is reborn again.
In his award-winning film, photographer Pete McBride follows Jonathan Waterman's attempt to paddle down the Colorado River from source to sea, with surprising results.
National Geographic Magazine Online, resource for research, updates, photography, global issues, geography, maps and multimedia.