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On May 27, five days after Kilian Jornet ran to the top of Everest in 26 hours, he summited again.
We talked to three of the 25 accomplished explorers — Richard Branson, Jimmy Chin, and Ben Stookesbury — about their deepest fears, their closest calls, and the rebellious streaks that made them push it to the limit.
The cyclist was struck by a vehicle less than a day away from the finish line.
Big-wall climber Mike Libecki does so many grueling expeditions — 70 so far — that each is really just training for the next. But that’s not to say he hasn’t perfected the art of preparing his mind and body for the task at hand.
Photographer and explorer Sebastian Copeland likes to go easy on himself — until his workouts need to match the grueling intensity of his epic adventures on the ice.
How a California anesthesiologist became one of America’s largest antiquities looters.
Federal budgets are being slashed, but NASA could keep its funding. How? A new report points that the Trump administration thinks there's money to make.
Polar exploration is a cold, brutal marathon of endurance that demands a very specific mindset and fitness philosophy — Eric Larsen explains what it takes to go for the long, frigid haul.
The 78-year-old summited the same mountain on which he died over 700 times, and became a friend to countless fellow hikers in the process.
Conservation scientist M. Sanjayan explores climate change pessimism and its impact on how we perceive the most important issue facing this planet.