An exclusive look inside the cutting-edge Army lab that's pinching, prodding, dunking, bruising, and building the soldiers of tomorrow—and revolutionizing adventure fitness along the way.

Outside Editorial Director Alex Heard is auctioning off two pieces of Everest history on eBay this week. Both items were carried to the mountain’s summit by writer Jon Krakauer during the disastrous 1996 climbing season that inspired his bestseller, Into Thin Air. Proceeds from the sale of these items will…

I'm hiking the Chilkoot Trail next fall with two companions. What's the lightest three-person tent available? Mike Doherty North Vancouver, British Columbia

Second ascent of 5.15a in Oliana

My lower back kills me after long bike rides. How can I fix this?

She’s not as famous as many other climbers, but her story is one of the most inspiring in the sport

Ayesha McGowan is making cycling history

A whitewater-specific design that can take multiple hits and should accommodate just about every head size and shape. (It comes with an assortment of pads for fine-tuning the fit.)

Looking for a road-trip excuse? the Atlantic and Gulf coasts have some of the best oysters in the country.

On fourth attempt