The Trail Runner's Bucket List: Loon Mountain Race, New Hampshire

Widely considered the New England Trail Running series’ most difficult event, the Loon Mountain Race in Lincoln, New Hampshire, packs a whopping 2,200-vertical gain in just 5.5 miles.

The Trail Runner's Bucket List: Jungle Marathon, Brazil

How do you make a marathon more intense? Try throwing in snake-infested swamps and dense jungle swarming with mosquitoes.

Forecasting Everest

How do they predict the weather on Everest?

The Photo that Captured the 2012 Climbing Season

An Interview with Ralf Dujmovits, the man behind the iconic shot of a disastrous 2012 on Everest.

Drones and Choppers at Base Camp?

9 Tips for Avoiding and Treating Tick Bites

Keep ticks (and Lyme Disease) away this summer with a few simple guidelines.

The Rise of the Tick

With incisor-like claws that can tunnel beneath your skin in seconds, ticks are rapidly becoming the world’s scariest purveyors of deadly pathogens. Carl Zimmer walks into the woods to find out why...

Americans on Everest

Fifty years ago, Jim Whitaker became the first American to summit Everest. Three weeks later, a second party from the same team made an even more stunning assault on the mountain's unclimbed West...

Fight at Everest's Camp II (UPDATE)

From the Base Camp at Everest, Garrett Madison has been following developments on the fight between Ueli Steck, Simone Moro, Jonathan Griffith, and a group of Sherpas. He shares his understanding of...

Kid-Tested: Burley Piccolo Trailercycle

Can a new trailer bike help young kids learn the rules of the road faster and safer? Katie Arnold and her family put it to the test.

Colorado's Loveland Pass Avalanche: Lessons Learned

Six skiers and snowboarders were buried in a massive slide on Colorado's Loveland Pass last Saturday. One survived. As details of the accident trickled out—that the group was exceptionally...

Putting the Kon-Tiki Expedition to Film

A brilliant adaptation of Kon-Tiki brings the legend of Thor Heyerdahl to the masses

Tough Mudder's Deadliest Obstacle? Water.

Taking a close look at Avishek Sengupta’s death, and why water obstacles—not electric shocks—may prove to be the most deadly obstacle

Backpacking After Bear

In 2003, Dan Bigley lost his sight when a grizzly mauled him on Alaska's Russian River. But that wasn't enough to scare him away from building an outdoor life for his family. He shares his...

Tim DeChristopher Goes Free

Yesterday, on Earth Day, the climate activist Tim DeChristopher, who was incarcerated for 21 months for disrupting a federal oil and gas lease auction, was released from the federal prison system.