To kick off National Park Week, the park service is waiving all entrance fees on April 20

Building some of the country’s best trails isn't just about crafting flowing ribbons of singletrack. It's also about navigating miles of red tape.

With dozens of mountain bike companies and world-class trails, these demo events are the perfect way to find your new ride

Green beer isn’t just for Saint Patrick’s day. The craft-beer industry is growing with the planet in mind.

Six tips from James Freeman, coffee drinker extraordinaire and founder of Blue Bottle

A team of scientists are drilling into some of the world’s highest glaciers to learn about our planet’s past before the ice disappears forever

From Nevada to Minnesota, hollowed-out mining towns are seeing economic revitalization on trails and tracks that attract mountain bikers from far and wide

For decades, the Property and Environment Research Center has extolled the virtues of free-market environmentalism. Could their ideas save our parks?

An independent investigation finds it implausible that the British ultrarunner completed the attempt without outside assistance

The books, articles, archives, and other happenings on our radar

Better equipment, medicine, and compensation means Olympic athletes can compete well into their thirties—and beyond