Step one: don't break it. But if you do...

What's really behind all the recent cougar conflicts

This segment of 'The Swiss Knife' features Fredi Kalbermatten splitboarding the backcountry around his home zone in Switzerland

A study of the cognitive and psychological effects of outdoor cycling finds equal results for normal bikes and e-bikes

Smart ways to strengthen your mental game

In July, a group of Afghan women set out to climb 24,580-foot Mount Noshaq, their country's highest mountain. No Afghan woman had ever reached the summit, and many challenges stood in their way, from hostile Afghan men who think that women shouldn't exercise, to the terrorist attack in a district near the peak two days before the climb began. This is their story.

Are you curious about what Olympic climbing will look like in 2020? We are, too. Here's what you should know before it all begins.

Big-mountain skier Greg Hill has committed to skiing 100 summits using only his electric vehicle to get there

'The Ride,' from filmmaker Erik Peterson, follows skijorer Ebbie Hanson on her winter circuit with her horse, Zeke 

As climbers reach Base Camp, at the foot of the world's highest mountain, these are the stories we're keeping an eye on

The massive waves of Nazaré, Portugal are famous for surfing—but one group of athletes has embraced a new way to engage with these waters

Jim Reynolds is a name you’ve likely never heard, but his free-soloing feats top those of Alex Honnold—if not in difficulty, then in length, commitment, and style

Josh Morgerman is an obsessive stormchaser. As hurricanes grow fiercer and more destructive, what does it mean to be someone who loves them?

A recent World Cup in Denver blew all expectations and leads the way toward the 2026 Winter Games

Behold: the faces of triumph

From Kathmandu to the top of the world, here’s an overview of the most popular route to Everest’s summit

How will a snowy winter affect your summertime high-country plans in the High Sierra and southern Rockies?

You don't need to destroy something to experience it

In the upcoming film 'Voices of Fear,' from Montage Productions, adventure athletes reflect on their own relationships with this emotion

Ancient European pilgrimages. Coastal treks along jungle isles. Surprising Rocky Mountain summits. Checking off any of these bucket-list hikes is sure to be the experience of a lifetime.

Epic ultras in the Alps. An urban loop in running's most beloved city. High desert treks through the American Southwest. These are without a doubt the best runs on the planet.

Gear, classes, and other resource recommendations for those who want to get far, far out there in the winter

On July 17, 2017, thru-hiker Joe McConaughy set out to claim the fastest known time for a self-supported traverse of the Appalachian Trail

It's so good that you'll start making it at home, too

The wall won’t just separate two nations, it will sever the connection between a community and its native flora and fauna

His new book, 'Horizon,' is the crowning achievement of a writer whose eyes never stray from the long view

In its ongoing series with the U.S. Forest Service, More Than Just Parks is profiling iconic landscapes from America’s national forests

Grand Canyon National Park superintendent Christine Lehnertz notified park employees on March 14 that she was resigning, effective March 31. This comes weeks after a four-month investigation turned up no wrongdoing and found a series of 2018 allegations against her to be "unfounded."

All signs point to active weather continuing into the warmer months, which will bring a litany of new hazards

Carson Storch recounts a near disastrous run-in with a bear in the Yukon during a mountain-bike and raft trip down the Tatshenshini River

The recent additions to the Epic Pass highlight, again, the massive consolidation occurring across the ski industry, which is driving up rents and turning mountain towns into company towns

Snorkel in hand, a Polish photographer plumbs endless powder accumulations in the Hokkaido backcountry

She was a survivor and an alpha. And then she was legally shot and killed by a hunter. Yellowstone Park's legendary wolf researcher Rick McIntyre reflects on the life of one of the park's most famous canines.

Violinist-pianist duo Anastasia Allison and Rose Freeman hike into the wilderness and often play for no audience other than nature

The crucial public lands legislation was just signed by President Trump. Here's why you should care.

‘My Girls’ features a group of four women on their annual ski weekend, celebrating a bond that formed in the mountains.

The bodies of Daniele Nardi and Tom Ballard have been located after 14 days of searching

Photographer and filmmaker Jonathan Chapman spent time this winter chronicling a family of veteran mushers in Minnesota who have devoted their lives to the sport and their dogs

Four zones have been ranked as extreme on the five-point scale

The Trump Administration plans to delist the gray wolf across the Lower 48. Here’s why that's happening and what it means for the future of the species.

Luis Benitez became the face of government’s interest in the outdoor recreation industry, one that’s larger than both the auto and oil and gas exploration industries. He sat down with 'Outside' to discuss the industry’s expanding role in politics and his own future.

‘Troll Wall,’ from Salomon TV, documents Kilian Jornet’s first ski descent of the Fiva route in Norway’s Romsdalen Valley

Can a relationship survive a grand adventure? That’s a question neither partner thought to ask when She got the bright idea to refit an old sailboat while He was dreaming of life on the range. A he-said-she-said tale of a voyage that somehow managed to avoid the rocks.

This film, ‘A Nordic Skater,’ from filmmaker Paulius Neverbickas showcases Per Sollerman’s quest for the perfect piece of black ice.

Going zero waste is hard, but these easy changes to how you eat, drink, and store food will make a big difference

The public comment period that will impact a redefinition of what's protected under the Clean Water Act is open through April 15

For some climbing rangers in Wyoming's Grand Teton National Park, every ridgeline holds the memory of a rescue, every peak a body bag. It's more than they can handle alone.

‘Paul’ documents one cancer patient’s relationship with a pristine river in Northern California, the McCloud.

Sometimes dying in the mountains is just the luck of the draw

Here's where the pioneering skier sends it when she's not shredding the backcountry

In 2017, the Trump administration announced that it was shrinking the iconic Utah national monument by nearly 50 percent. Leath Tonino devised a sketchy 200-mile solo desert trek, following the path of the legendary cartographer who literally put these contentious canyons on the map.

For years, three old friends from California had been making an annual pilgrimage to fish Alaska's wild and pristine waterways. But in 2018, only two came home.

Since 1999, aging park ranger Bill Wolverton has hacked and chainsawed his way through more than 40 miles of Russian olive trees.

The hiking duo Her Odyssey highlight their journey from Patagonia to Colombia by nonmotorized travel

Professional skiers Greg Hill and Chris Rubens fly, drive, and snowmobile to remote ski lines all over the globe.

Among other things, my 14 sled dogs will need 12,000 calories a day—bagged and cached along the race’s entire route—and 1,000 very adorable paw booties. This team is ready to roll.

After he broke his back in a 480-foot fall, the BASE jumper's life changed. Now he's rediscovering how to catch air by throwing backflips in a sitski.

'The Place of the Gaels' features American alpinists Fabrizio Zangrilli, Angela Vanweimeersch, and Jon Frederick climbing in Scotland.

Tactic, a training facility in Bozeman, Montana, teaches Wes Siler how to survive a grizzly bear attack

The definitive guide, built upon real-world experience

The pros talk about their experiences guiding on rapidly deteriorating glaciers

‘White Dream’ profiles Thibaut Branquart leading up to the legendary dog-sledding event, the Femundlopet

It's the first climbing film to receive such broad mainstream acclaim

Sensationalized forecasts from news anchors who appear to hate winter and have zero idea how to dress for it are keeping an increasingly inert population inside

According to a recent story in Bloomberg, celebrities and gallons of champagne are all in a day's work at Aspen. But for the rest of us, it’s not so glamorous.

Ice climber Will Gadd visits Helmcken Falls in British Columbia to scale the 463-foot waterfall on some experimental gear

Supporters say the proposed regulations are over 40 years overdue and would be a major win for public health

Handmade surfboards are a rare commodity. Handmade surfboards crafted by women are even more so.

Climber David Fitzgerald is on a mission to climb two boulder problems, Bügeleisen Sit Start and Big Paw, in the film ‘Blocbuster.’

After a mental-health breakdown, Mexia grew obsessed with plants in her fifties and became one of the early 20th century’s great botanical collectors

There’s a side of Nazaré that isn’t life and death

Meet the daredevils who crossed from the Santa Elena Canyon to Big Bend National Park to make a point about unity and trust

Stop paying the shop for a simple task that you can do at home

The RIDE app takes aim at single occupancy cars headed up Little Cottonwood Canyon

In 'Uruca II,' climbing partners Lipe and Hugo find themselves on an alpine ascent when things get a little sketchy

She took home her fourth World Championships gold medal in slalom Saturday

Watch Travis Kauffman describe the incident in his own words

A compromise over Utah public land reveals how one of the biggest conservation acts in years got through the Senate this week