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

New research fine-tunes the details of heat adaptation

The buzziest supplement on the market might just live up to the hype. Here are our favorite new products.

The nonprofit Native Skywatchers has spent more than a decade collecting and preserving Indigenous star knowledge. Now organizations like NASA and the NPS are joining the movement.

A new study shows measurable gains in strength from a purely imaginary training program

Quick fixes and one-size-fits-all solutions abound in the world of wellness influencers. Here’s why you should avoid them.

We may be closer to answering lingering questions around concussions. Plus, we provide a rundown of the most common head injuries—and what you need to know about them.

The physiology of events like the Ultra-Trail du Mont-Blanc is radically different from “short” events like the marathon

The later moon missions didn’t grab as much attention as the first landing in 1969, but they had something very cool on the gear front: the lunar rover, a lightweight go-kart that gave crews unmatched mobility on another world

Instead of focusing on joint angles and limb movements, a new study takes a holistic approach to the biomechanics of elite runners

Essential questions to ask during your doctor's visit, at every age

A spiral of injuries—and the attendant existential crisis—can be an opportunity to revisit the fundamentals

Think you wouldn’t benefit from some mental maintenance? Think again.

Dealing with discomfort isn’t a magical gift. It’s a skill, and you can improve at it.

But there’s still hope if we start managing water differently and addressing climate change, both of which are making dry spells more extreme

New research sifts through the evidence to figure what types of intervals make you fastest

The mile isn’t just another race distance. It’s almost its own sport.

Exercise causes pain, but it also dulls it. Researchers are still trying to understand how that works.

To really understand the outer limits of dehydration, you need to listen to the remarkable story of Pablo Valencia

A new study tests how much cycling it takes to maximize cognitive function in endurance athletes

I study climate change, and my work left me depressed and suicidal. Then my dad got cancer.

The latest deaths raised questions about the role of COVID, but analyses of nearly a century’s worth of climbing records suggest some consistent patterns

Conservation International CEO M. Sanjayan saw our relationship to the planet in a new way after a series of remarkable adventures

A new study looks for adaptations in the placenta, and finds positive effects from exercise during pregnancy

And what happens to your brain when you finally nail it

The evidence is everywhere that humanity is actually pretty decent, according to Dutch historian Rutger Bregman. Pay attention to it and you’ll feel much better.

Recent studies looking into a phenomenon known as post-traumatic growth show that it's possible to thrive after challenging life events. Here's how.

The past year has been relentless in so many ways. But despite the challenges, there’s also a lot of good news out there to get you excited about the months ahead.

Journalist Ian Urbina is revealing the lawlessness of the open ocean in ways you’d never imagine

A 14-woman crew sets out on a mission to test microplastics levels in remote regions of the world’s oceans

Your microbiome absolutely impacts your health, but taking postbiotic supplements won’t do anything to help

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

Researchers are searching for telltale clues in your strength, flexibility, or body position that signal an impending injury. It’s harder than you think.

For centuries, dowsers have claimed the ability to find groundwater, precious metals, and other quarry using divining rods and an uncanny intuition. Is it the real deal or woo-woo? Dan Schwartz suspends disbelief to see for himself.

A new analysis digs into who overheats and which conditions are most risky, with surprising results

The 46th president made big promises to move the United States toward a carbon-free future. What he’s accomplished so far has been impressive, but can he keep up the momentum?

Setting high goals is great, but how you deal with falling short determines how long you’re willing to keep chasing them

What separates the best endurance athletes from everyone else isn’t their amazing lab test data or power values—it’s how well they maintain those values after a few hours of exhausting exercise

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