Riders in the 2022 Tour de France will ride more than 2,100 miles (3,400 km) over the 21 flat and mountainous stages of the race. And they will burn an incredible amount of energy while doing so.

Three scientists explain the biology and physics of what goes into one of the world’s most grueling races, the Tour de France.

A wearable exomuscle that serves as an extra layer of muscles could one day increase upper body strength and endurance of people with restricted mobility.

Fasting sends the muscle stem cells of mice into a deep resting state that slows muscle repair but also makes them more resistant to stress, a study finds.

Fasting sends the muscle stem cells of mice into a deep resting state that slows muscle repair but also makes them more resistant to stress, a study finds.

People who lift weights just to look good may run the risk of developing muscle dysmorphia, also known as "reverse anorexia," research shows.

New research on sex and muscle signaling offers insight into how muscle functions, such as exercise, promote healthy longevity, metabolism, and cognition.

Tiny proteins called nanobodies derived from llama antibodies could lead to safer ways to treat pain, irregular heart rhythms, and seizures.

Mixing it up your strength training regimen at the gym will make you stronger, but won't do much to grow your muscles.

New research in mice clarifies why regeneration can stall after traumatic muscle loss, in which significant chunks of muscle are destroyed.