For centuries, explorers set sail toward lands that never existed, climbed mountains that were never there, and searched for ...

Grover Hot Springs State Park in Markleeville isn’t just another pin on California’s crowded map of natural attractions—it’s the destination that makes you wonder why you ever wasted time at ...

Deep inside a Swiss mountain, a group of students spent some of the summer simulating what life might be like inside a lunar ...

Powder Mountain has plans to add to that living art with a series of permanent installations on its northern Utah slopes, ...

A 4.9 magnitude earthquake struck in Argentina Tuesday northeast of Aconcagua, data from the United States Geological Survey ...

Kilian Jornet wanted to summit 72 of the tallest peaks in the contiguous United States. He gave himself a month to do it.

West Antarctica’s “marine grounded” ice reflects this restless foundation. Unlike its eastern counterpart, it rests in a deep ...

Long before cheap flights and smartphone maps, Americans turned to cars for adventure and escape. This story revisists our ...

A surveyor says he has discovered a new Colorado 14er after hauling GPS equipment to the top two peaks in the Sangre de Cristo Mountains. No, Eric Gilbertson did not suddenly locate a new ...

Tackling the John Muir Trail at night with only stars and moon to light the path, a veteran hiker experiences the popular 200-mile trail in a new—and wilder—way.