Nate Boyer, a U.S. Army Green Beret, suddenly found himself without a uniform at 34. He found meaning by co-founding a company for people like him.

Not sure whether to lift weights or do cardio for a longer life? A sports medicine doctor explains how to pick the right ...

President Donald Trump on Thursday signed an executive order reestablishing the Presidential Fitness Test and the President’s Council on Sports, Fitness and Nutrition for American schoolchildren. The ...