A new study of identical twins shows that, despite their reputation as inert rubber bands, Achilles tendons adapt to exercise

Most studies on sports performance don’t include women. The team behind Stanford’s FASTR program is creating a new approach—and building a healthier culture for female athletes. 

New research explores how physical and mental factors affect how athletes raise their game when it counts

A popular training rule for endurance athletes faces scrutiny from skeptical scientists

A new study gathers insights from 71 trans-ocean rowers who (mostly) made it to the other side

A new study grapples with a familiar question: How much of athletic success is physical, and how much is mental?

We tend to assume that a nice-looking stride is a fast one, but maybe looking good is its own reward

Scientists have figured out how to make simple exoskeletons that improve running efficiency. Should track and field authorities be worried?

Different workout styles can get you equally fit, but they affect your body differently—which suggests that you should mix it up

Looking to sign up for your first triathlon? We share everything you need to know to help you have a successful first race.

A new way of classifying athletes aims to quantify the thresholds that distinguish recreational athletes from their trained, highly trained, and elite brethren

Our Sweat Science columnist spent two months measuring his blood sugar around the clock. Here’s what he found.

Sponsor Content: inov-8

The first-ever Graphene foam hiking boot delivers unprecedented energy return and cushioning.

The latest “exercise in a bottle” study finds that plasma from exercising mice makes sedentary mice smarter. But don’t throw out your workout gear just yet.

Athletes like Mikaela Shiffrin have started adopting the training technique to increase endurance, muscle mass, and more

Over the past decade, research into compression sportswear has exploded. Here’s what the results reveal.

It’s time to break out the merino base layers and the heat-exchange breathing masks

A selection of (mostly) new titles for fans of science, endurance, fitness, and adventure

The genes that make some people vulnerable to a fatal heart stoppage may be the same ones that give them an athletic edge, researchers suggest

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