Research tends to show duration and intensity of exercise improve aerobic capacity and muscular endurance, which can ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the most important numbers in the universe ...

The answer has its roots in Portuguese, Dutch, and English sailors who needed a way to tell how fast they were going in an ...

VO2 max? Mile time? Experts break down the most common health metrics and reveal which ones actually best reflect on your ...

A new study found that 10- to 15-minute walks provide more heart health and longevity benefits than shorter strolls ...