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All the digital training data in the world may not tell you whether your workout was any good

A rigorous new study finds small changes in heart rate and subjective feelings of recovery. Do they matter?

For years, these Rocky Mountain states have squared off on a spicy subject: Who grows the best chile peppers, an indispensable ingredient in southwestern cuisine? Our man hit the road to find out.

People are searching for community, better quality of life, and more outdoor access. These towns check all of those boxes and then some.

A new study of athletic career trajectories finds that early success is less meaningful than you’d think

Researchers assess the potential benefits—and downsides—of the hundreds of bioactive compounds in your morning brew

Artificial light makes it impossible for most people in North America to see the Milky Way. But we don’t have to live like this.

Hawaii’s climate and ecology have changed in the last few decades, bringing fire to a landscape that hasn’t evolved to withstand it

Tramadol has a long history of suspected abuse among cyclists, and now there’s enough data to put it on WADA’s banned list

When illness or injury forces you to take a complete break, researchers have some ideas on how to limit the fall-out

Sports scientists weigh in on the trends that will keep the PRs coming

Analyzing glucose data from endurance athletes offers new(ish) insights, with the potential of more to come

They don’t necessarily save energy, but a new study suggests they might save your legs

Even a familiar place can deliver a dose of the unexpected

Nature is the ultimate source of wonder. But what is awe, really, and why is it good for us?

A psychedelic renaissance is underway in the U.S., with an emphasis on the healing potential for depression and trauma. An ���ϳԹ��� editor gives ketamine a test run and reports that the power is real.

We’ve all taken in the power of a big slide on social media. But there’s no substitute for the real thing.

Scientists are focusing on the power of awe, and for good reason. Experiencing it is essential for our health. Our author hit the road during California’s superbloom to figure out how our mind and bodies are transformed when we’re blown away by nature.

How to worry less and feel more like yourself

To optimize your health or supercharge your training, you sometimes need to look beyond the lab

Studies show that astonishing experiences in nature can have life-changing benefits, and that even small everyday doses of time outdoors can have immediate impacts

The actor’s flight into space in 2021 left him with an urgent desire to make us aware of the fragility of our home—a feeling that has yet to fade away.

When the actor took a suborbital rocket ride, he came down with amazing (and fearsome) insights about the previous nature of our planet

There are both healthy and harmful ways to get away from it all, psychologists point out

A high-tech approach called metabolomics offers a new perspective on how your body bounces back from 26.2 miles

The biologist thought that a traumatic fall to the forest floor would end her life as she knew it. Instead, it opened her up to an even more vibrant existence.

Records are falling and times are dropping. Is it the shoes, or something else?

Because social media has nothing on science

Some doctors are now prescribing physical activity for mental health. Here's why.

The scientific evidence is overwhelmingly clear: spending time outdoors boosts your brain function. So what are you waiting for?

The latest research suggests that muscle oxygen can detect exercise thresholds, with no blood required

Researchers present new findings on mental fatigue, mental training, and the importance of your surroundings

Scientists consider the latest spikes, individual variability, and the pros and cons of training in racing shoes

Instead of berating yourself for wasting away your time, focus your energy on these three key benefits

These science-backed hacks can help you lower your stress levels almost instantly

Physicians and researchers weigh in on the benefits and disadvantages of having hypermobile joints

Many believe intermittent fasting negatively affects women’s hormones and fertility. The science suggests otherwise.

Scientists reconsider the assumption that it only helps strength and power athletes

Apples no one has ever tasted are still out in the wild. Dave Benscoter, a retired FBI agent, has spent a decade searching for these 100-year-old heirlooms.

Plyometrics can make you a more efficient runner, and it turns out they don’t need to be complicated or risky

In an excerpt from her forthcoming book, ‘Up to Speed: The Groundbreaking Science of Women Athletes,’ longtime ���ϳԹ��� contributor Christine Yu argues that female athletes deserve their own benchmarks for athletic success.

Researchers look back on the lessons from 25 years of “live high, train low”

A crazy-sounding idea—build a tube from the Pacific to bring water to Utah’s Great Salt Lake—raises a larger question: Are we willing to do absolutely anything to fight climate change?

First there was altitude training. Then it was heat training. Now it’s… pollution training?

New data finds that endurance- or speed-oriented muscle fibers don’t determine how you respond to strength training

In-race data collected during the world championships sheds new light on how top endurance athletes avoid overheating

Chances are you can catch the nighttime spectacle from your backyard

There’s plenty of hype about ways of boosting your respiratory system. Some—but not all—of it is real, according to a new review.

A new review weighs the evidence that strength and training adaptations vary across the phases of the menstrual cycle

New studies confirm that spending time outside can ease physical symptoms

Researchers use isotope tracers to accurately calculate calorie burn and other parameters during a grueling full-day ride

Athletes of all levels have considered whether their choice of birth control might influence how they train, recover, and perform. But the answer is complicated. Here’s what you need to know.

So-called “augmented feedback” can offer both information and motivation. A new study tries to separate the effects.

While trying to qualify for an English Channel crossing, swimmers swallowed ingestible thermometers. They got really cold.

After the ocean took away her partner, the marine biologist found a way to live with loss

Schools invested in outdoor ed during the pandemic, but the growth was disproportionate to high-income communities

Experts weigh in on whether your period ought to have a say in your workouts

Age may be just a number—but so is your weekly mileage

There's a lot of outdoor misinformation out there, and we're on a quest to quash it

Has Maurten finally figured out how to harness the power of baking soda without paying the gastrointestinal price?

Double threshold days and lactate meters have propelled Jakob Ingebrigtsen and others to the top. Should the rest of us follow suit?

Research makes a strong case for taking your practice into the wild as the weather warms—or at least your backyard

Researchers test the assumption that top athletes are more sensitive to internal cues, with surprising results

Exploring how the simple act of spending time outside can solve so many of life’s problems

A new study tests the idea that, with the right building blocks, connective tissue can repair itself after all

A big-data analysis of Strava training logs estimates the slowdown for marathoners who miss a week or more

Whether you’re determined to embrace a healthier diet or finally ride that mountain bike you bought during the pandemic, wellness-focused getaways can help bring those good intentions to fruition. Here are awesome travel-focused ideas designed to do just that.

Running and composing music require a similar problem-solving area of the brain, so it might not be a coincidence that there’s crossover

A new model breaks down the ability to fight through adversity into its constituent parts

Army researchers assess the evidence on what makes you stronger, and speculate about new approaches that might work even better

Healthy habits are hard to maintain. We sent five writers on long-overdue quests for self-improvement.

After years of infinite scrolling, it was time for a drastic intervention

Believe it or not, talking to new people won’t kill you

Figuring out how to get better sleep and more exercise and is hard—which is why we tried out some new programs for you

And what does Damar Hamlin’s cardiac arrest tell us about the risks sports pose to an athlete’s heart?

From the whimsical to the epic, these are our favorite stories of the year

Cautionary tales from the official journal of the Wilderness Medical Society

Moving from long to short efforts during a workout maximizes the training stimulus

A selection of recent titles to keep you warm by the fire 

The shredders, climbers, policy-makers, barrier breakers, and scientists who forever changed the way we view the world