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The Colorado-based provider of active-lifestyle content and services has expanded its portfolio again, bringing on three new cycling brands

Exercise may not be enough to make up for thru-hikers’ bad diets, a new paper suggests

Despite warnings, rules, and common sense, tourists in Yellowstone keep approaching bears and bison.

The former Harvard rower is making the most of a six-month sabbatical from his new job at Zwift

A few choice words on how to not be an A-hole on the trail

Every woman who hikes has been the target of mansplaining—and outdoor writers and editors are no exception

Hiking can be a blast, but it won’t be if you're struggling every few feet. Here’s how to get ready for trekking, from easy day hikes to the longest thru-hikes in the world.

Enjoy our favorite national parks while staying in these Airbnbs

Each of these hotels merges modern design with sustainable materials and baller amenities that go easy on the planet

Damming rivers may seem like a clean and easy solution for Albania and other energy-hungry countries. But the devil is in the details.

A rare penthouse in Manhattan's Gramercy Park neighborhood is sitting on the market, waiting for a buyer

A quarter century of digging under ice sees winners, losers, and an Irish billionaire teaming up with De Beers

Insurers face $2.8 billion in claims, industry group says

The TSA pulls out all the stops for the July 4 holiday. But can it last?

Can one man’s pie-in-the-sky idea save one the West’s most iconic and underloved rivers?

They face unique challenges, longer odds, and sometimes outright hostility

A city-wide survey of Portland's moss helped scientists to target a likely source of the city's air pollutants

National Park Service director Jonathan Jarvis has ordered a survey to determine if misconduct at the Grand Canyon represents a widespread problem