Tells the story of the explosive growth of flag football across the US and around the world. From youth to elite international competition and NFL players dream of going for Olympic gold, plus NFL ...

A photo shared on social media shows a U.S. flag displayed upside down, which typically symbolizes a sign of danger or distress.

NASA makes emergency decision over 'city-killer' asteroid heading for Earth What a 'Normal' Resting Heart Rate Should Really ...