This Just In
Two Dutch explorers studying melting Arctic sea ice have apparently drowned after falling through thin ice.
Avalanches in back-to-back years may change the way climbers think of Everest for good.
There are very few ways to travel across an Alaskan icefield. Follow one man and his research team as they ski 200 miles over crevasses and alongside glaciers in this untouched region of Juneau.
Australian Josh Sheehan pulled off one of the most dangerous tricks on two wheels.
The photos depict day-to-day life at the Antarctic base camp of ill-fated explorer Robert Falcon Scott.
Helicopters airlifted injured climbers off Mount Everest Sunday after an avalanche killed at least 18 people, even as a powerful aftershock hit the world's highest peak.
The hottest and driest place in North America is an otherworldly desert off the beaten path.
A school teacher and his friend wind up in the hottest and driest place in North America -- Death Valley. Watch as they explore this Mars-like desert off the beaten path.
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