Get insights beyond your weight to get the bigger picture of what’s going on in your body.

Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

Proponents say they help build muscle, increase bone density, promote lymphatic drainage, and more. Turns out I was right to ...

Coaches explain why indoor running can make base training more achievable in winter, plus how to structure a four-week base ...

Northwestern University researchers have developed the first device that can continuously track a fetus's vital signs while ...

Inside Out 2 opens in theaters Friday, June 14. Surprising and disappointing in equal measure, Inside Out 2 manages to strike a mostly careful balance with its overstuffed new ensemble, while still ...