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The European outdoor-retail behemoth is flooding the U.S. market with $3.50 backpacks. Will wary consumers buy in?

If you've only been following the drama of Scott Pruitt and his replacement at the EPA, you only know half the story. Environmental regulations are under attack all across America, and the siege is just beginning.

It's not just that she's fast—it's that she didn't train at all

The microbes in our digestive systems can affect everything from our mental health to our weight and vulnerability to disease. So why not athletic performance? New science is set to revolutionize the way we eat, train, and live.​

In the name of citizen science, we peered inside the bellies of Outside staff—and seven elite athletes

Wondering how to ensure that your gut is healthy? We're here to answer your most pressing questions.

The ideal healthy-gut diet for performance

The association that manages the West's premier national trail just paid $1.6 million to prevent a property owner from putting up a fence 150 miles shy of the Canadian border

Our favorite free-range, protein-packed, delicious snacks

With advanced gadgets and connectivity, the backyard barbecue has entered the 21st century

A new European carrier takes you to the heart of the Alps. Skis fly free.

A Canadian company is suing Greenpeace for $220 million—and it might have a case

Many assume extreme-sports athletes are, at best, irresponsible and, at worst, suicidal. New psychology research tries to unpack their true motivations.

A former Microsoft CEO launched a new website to answer a single question: What does the federal government really do with the trillions of dollars it spends every year? We wanted to know how much of that is going toward public land and renewables.

Conservationists don’t have enough money to save all the endangered species. How do we decide which ones live and which ones die? A controversial ranking system to answer that question may be coming to the U.S. soon.

For the last 30 years, American Rivers, a nonprofit advocacy group out of Washington, D.C., has been calling attention the plight of the country’s rivers. Today, the group released its annual Most Endangered Rivers report, a catalogue of the ten rivers in America most threatened in 2017.

Legislators are considering sticking out-of-state cyclists and mountain bikers with a $25 fee—and a side of humiliation

A former EPA administrator breaks down what’s at stake with the president’s proposed 31-percent cut to the agency’s budget

In the wake of the widely publicized near-failure of the country’s tallest earthen dam last month, locals in Oroville, California, are wondering how to leverage the disaster as a tourist attraction

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