Scientists reveal a hidden brain code that tracks distance and time in the dark, offering new insight into navigation and ...

You don't need an Apple Watch or fitness tracker to monitor key metrics about yourself. Your iPhone is already capable of tracking your steps, measuring walking distance, monitoring sleep patterns, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While every little bit of movement is good for you, the U.S. Department of Health and Human Services ...

GPS smartwatches make outdoor workouts more reliable, and these options focus on precise tracking, fitness insights, battery ...