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Pandemic-induced isolation has led to a wide range of physical effects. Here’s what to watch out for—and how to address it. 

A bad sleeper tries to train her brain with the help of virtual jellyfish, space-flight simulations, and the URGOnight device

A dietitian weighs in on our favorite packable midday meals

Bouldering psychotherapy is gaining traction because the sport is unique in its easy access and ability to draw out emotions

Dietary fiber contains prebiotics, compounds that boost the growth of beneficial bacteria

It's uncommon for animals to get drunk, but some creatures are attracted to alcohol

Long-distance running can be tough on the stomach. These foods can help.

Ross Edgley is in the middle of a 2,000-mile swim. Here's how that epic slog is affecting his skin, heart, and mind.

Physiologist Alena Grabowski is studying whether prostheses give athletes a competitive advantage

There are a lot of obscure ingredients in Gu gels. Here's what they actually do for you.

Five athletes share their favorite products to help catch some z's away from home

The benefits are still murky, but experts say there's no harm in adding more to your diet

A legal fight over access and an endangered frog has shut out climbers for 13 years, but the Forest Service has a plan to reopen many of the routes, as well as a section of the Pacific Crest Trail

The crash occurred Saturday, August 4, 14 miles southwest of Denali’s summit

The Polish mountaineer made history on July 22 when he descended the world's most dangerous mountain on skis

A new study polled western voters' views on the interior secretary, Trump's public lands agenda, and downsizing Bears Ears and Grand Staircase-Escalante

The new mega fires raging across the West are polluting the air above states like Montana, Idaho, and Wyoming the worst

Frustrated by overly cautious restrictions at cliffs, some climbers are leading efforts to create flexible, evidence-based management

Building buff digits might take less time than you think, according to the Spanish scientist

Meet the researchers braving toxic fumes and wildlife encounters to understand the microbial life lurking in the national park's geothermal features.

Lava Falls is one of the most powerful rapids in the canyon and has long thwarted those trying to run it—especially those trying to make it down in record time.

Last week, the legendary speed climber broke bones in both legs when he fell and hit a ledge after a piece of protection popped 2,200 feet up the rock face

Lightweight and easy to pull on, whether you're in the gym or at the crag

Study finds that high-elevation areas in the Himalaya are seeing wetter, more frequent slides