Massive Mudslide Closes Iconic Highway 1 on California Coast
UPDATE: Four Climbers on Everest Found Dead Inside Their Tent (Or Not)
Is Kilian Jornet Really Going to Go for a Second Everest Record This Season?
9 Adventures on Volcanoes
An Inconvenient Truth from Gregg Treinish: "90 Percent of Every Liter of Water on Earth Has Plastic In It"
Massive Efforts Underway to Clean Up Mount Everest
Behind the Scenes with a Shark Tagging Operation
The Latest from Everest 2017: The Summits So Far
Tommy Caldwell on Life After the Dawn Wall
Skydiving, Now With Drones
HR 1484 No More! Public Lands Advocates Score Another Victory
Sean Swarner on Completing the Explorers Grand Slam After Cancer
The Best Climbing Spots in America
Alex Honnold, Tommy Caldwell, and Other Climbers Take to Capitol Hill to Fight for Public Lands
Canine Sidekicks: The Most Famous Adventure Dogs in America
The World’s Most Dangerous Trail Is Open for Business
Warren Miller Productions Has Some Advice for North Korea’s 'Ministry of Skiing'
A Fatal Home Explosion Exposes the Risk of Abandoned Oil and Gas Wells
The 25 Best Adventure Photos of the Past 25 Years
The Fate of Our National Monuments Is In Your Hands: DOI Opens Up to Public Comment