Mountain biker Casey Brown shares her story as part of The Explorers Series, presented by Coors Light. 

Surfers on Lake Michigan are getting sick, and they think they know why

Hoji, from Matchstick Productions, chronicles the Alberta native’s rise within the skiing community. 

In what might be a first for any American company, the clothing brand has endorsed two Senate candidates

A collection of the scariest, strangest, and most riveting tales we've ever published

'Hang Tight' from Brothers on the Fly documents a fly fishing trip to Slovenia in search of a pristine river and the elusive marble trout.

‘Island of the Strangers’ features a team of kiteboarders riding on the coast of Scotland.

One photographer's attempt to find art in fire, even as climate change makes conditions more deadly

And replaced her with a loyalist political operative who may not need Senate confirmation

The 33 special agents assigned to the Investigative Services Branch handle the most complex crimes committed on NPS land. When a day hike in Rocky Mountain National Park ended in a grisly death, ISB veteran Beth Shott hit the trail, where she began unraveling a harrowing case.

It’s no secret that coral reefs are in trouble, however, scientists are using modern techniques to revitalize the reproduction of reefs.

Nelson and Morrison are the first to successfully ski 7,000 vertical feet from the summit of Nepal’s Lhotse, one of the most prized high-altitude lines in the world

Thanks to Erickson and a new crop of young female riders, women’s big-wave surfing is preparing to make history

The route patches together portions of five other thru-hikes and includes sections of trail-less meandering through the Sonoran and Mojave deserts. It's no wonder that only one person has ever completed it—yet.

What it takes to document one of the world's most treacherous races. Words by Marley Walker.

A few years ago, more than 60 percent of the country fell under some level of drought. The worst thing? These warm, dry conditions tend to lead to even warmer, drier ones.

In Lowe's final interview with a journalist, the legendary climber reflected on risk and what a climb was really worth

Shea Holbrook helped carry cyclist Denise Mueller-Korenek to 183 miles per hour last month

Big-wave surfer Emily Erickson shares her story as part of The Explorers Series, presented by Coors Light. 

We sent a writer to check out the alleged uptick in damage to Grand Staircase-Escalante National Monument post President Trump's decision to shrink it

Five bills approved by the House Committee on Natural Resources during a chaotic news cycle could weaken the historically popular environmental law

They don't vote. Why are the people most concerned about climate change some of the least likely to show up in November?

A small Arctic community is at risk of getting submerged by the sea. The biggest problem? It's too expensive to move away.

In episode three, Sasha spends the morning climbing in Boulder before catching a flight to San Francisco for a photoshoot.

There's a reason that some form of the Bigfoot legend persists all over the world

When someone rolls into the campsite next to yours, go say hi. You probably have something in common.

A former champion and constant runner-up face off on the final day of Fat Bear Week 2018, but every one is a winner in our hearts

There really is a massive difference between weather alerts depending on where they're issued. The question is: Can you handle the heat?

It's up to Republicans to bring it back to life and make it better than ever

Exploring the ocean floor with an urchin hunter. Words by Emily Reed.

Decades ago, Deanna Curtis was captivated by a birds of prey demonstration. Today, she's one of a growing number of women involved in the ancient sport of falconry.

Salomon has done it again with their upcoming season of ski films.

When Tahoe is your backyard, a morning ride has unlimited potentialities.

For one week every fall, Alaska's Katmai National Park celebrates the survival skills and ample rolls of the happiest bears in the world. But there's more to their reigning champion than meets the eye.

As America wrestles with high rates of suicide among military personnel and veterans, outdoor programs have been offered up as a promising treatment. Dan Sidles seemed like the ideal candidate: an Iraq War vet who suffered from PTSD, he tried to find a renewed sense of purpose through climbing and mountaineering. Ultimately, it wasn’t enough. Brian Mockenhaupt explores the final years of a tortured friend.

This loop through Yosemite could just be the finest high-altitude thru-hike in the country

Welcome to 10 a.m. on Tuesday, a behind-the-scenes mini-series that takes a look at an "average" weekday with pro climber Sasha DiGiulian.

Surfer Matt Meola and filmmaker Jon Spenser took off on a charter boat called the Mangalui, and set a course for the Mentawais islands.

Climbing skills are in high demand to service sky-high turbines. Eric Ruderman has made it his career.

We dig into the finances of an Alpine Ascents International guide

The U.S. Coast Guard closes the Potomac River any time President Trump wants to hit the links.

Falls put 3,000 climbers a year in hospital, costing more than $20 million, according to a new study

Mother Earth, from filmmaker Damien Vergez, features mountain biker William Robert riding trails in British Columbia.

This week's ruling to stop a trophy hunt was a big win for conservation groups and may impact grizzlies across the country

Losing your home to a wildfire is often just the start of your troubles

If you're not a morning person, dawn patrol adventures can be a struggle. But have no fear, your new friend dusk patrol is here.

And it has nothing to do with how hard you climb. It’s about creating a fun and inclusive environment that’s welcoming to everybody

Climber and Flash Foxy founder Shelma Jun shares her story as part of the Garmin Women of Adventure campaign. 

It will serve you well when things go wrong

From the filmmakers at Teton Gravity Research, ‘Far Out’ will feature epic footage from its extensive list of creditworthy skiers.

Skiing apparel company Norrona sent three of its ambassadors to ski in the Lyngen Alps of Norway.

Boyan Slat, the 24-year-old founder and CEO of the Ocean Cleanup, has finally launched a system he says will rid the Great Pacific Garbage Patch of half its plastic trash in five years.

If successful, Hilaree Nelson and Jim Morrison would become the first people to ski the fourth-highest mountain in the world on a route that's eluded mountaineers for decades

Want to take the kids along? Follow these tips from families who've done it the long way.

Interior Secretary Ryan Zinke will offer up nearly 4 million acres of public lands for lease this year, much of it for dirt cheap

Thousands of people flock to the Alps each year to ski tour high-elevation routes, spending comfortable nights in a string of huts that serve wine and hot meals. In the spring of 2018, a group of experienced skiers and their guide were trapped in a storm overnight on an exposed saddle. By morning, nearly all were dead or dying.

The conservative Utah Congressman wants to fully fund our national parks and our public lands. Huh?

Sue Johnston has been setting FKTs for decades and inspired a generation of ultrarunners along the way. If you've never heard her name before, that's by design.

Ode to Muir follows snowboarders Elena Hight and Jeremy Jones on a 40-mile human powered expedition through California’s High Sierra.

Irreparable Harm, from Wild Confluence​​​​ films, investigates the impact of a local mine on a community's natural food sources.

These organizations want to help you tick that big once-in-a-lifetime trip off your list

Republicans from Ulysses S. Grant to George H.W. Bush have passed some of our most powerful environmental laws. Why did the party reverse course?

Is it even possible to reduce the number of massive blazes that are now commonplace in the American West?

After President Trump reduced Bears Ears National Monument by 85 percent, environmentalists predicted mining companies would soon overrun the landscape. But is there really any uranium to dig up? We decided to have a look for ourselves.

The pro climber just made history on three big, big walls near Banff

Reckless Abandon, from filmmaker Ben Neilson, profiles Condie's return to climbing after struggling with scoliosis.

Lyfx wants to ­revolutionize the way we play by ­connecting local guides with ­traveling ­adventurers. But can it ­succeed where other apps have failed?

Four women head into the wilds of Scotland seeking headspace and an opportunity to unplug.

Nominee Raymond David Vela seems to care about making our national parks more accessible

What compels a couple to spend months at sea with their four young children? A burning desire to do something different.

The Women's Euro-Arabian North Pole Expedition team made it to the North Pole on April 21, 2018, enduring minus 40 degree temperatures, the prospect of aggressive polar bears, vast open leads of water, and even the vagaries of the Russian government.

Lightheaded or feeling woozy? Trekking companies are convincing tourists it's an emergency and making tens of thousands off the insurance claims.

Searching for Christmas Tree follows ice climber and professor He Chuan as he makes the first ascent of ‘Merry Christmas’

OneUp Components took mountain biker Richie Rude up the chair one more time for this edit: ‘Heavy Flow’.

Kayaker Kenny Unser has circumnavigated Manhattan almost six dozen times. This film explores his motivation.

Adventure photographer Jen Edney embedded with the 2017–2018 Volvo Ocean Race, one of sailing's most dangerous competitions.

Shred for the South Fork follows nine whitewater paddlers on an overnight trip down the South Fork of the Salmon River.

It's the seemingly mundane storms that will catch you off guard. Here's how to never let that happen.

Karel Sabbe set a new record of 41 days, 7 hours, and 39 minutes. And he did it without much money or fanfare, proving that you just gotta run like hell.