Watch Michael Phelps and U.S. Swim Team Star in Epic Carpool Karaoke Spoof

Dogs Dressed as Olympians Leap Over High Jump Pole, Prepare for Tennis Match

Baby Masters Every Olympic Event In Heartwarming Photo Shoot

The Age of Excellence: Meet the Oldest and Youngest Summer Olympics Competitors

Student Headed to the Olympics Reveals How She Learned to Swim After Cousins Drowned

Hope Solo Booed, Heckled Over Photo Showing Her Arsenal of Anti-Mosquito Repellant

Boy, 5, Who Lost Feet in Lawnmower Accident Gets Running Blades, Thanks to Boston Marathon Bombing Survivor

Waking Up in Rio: Deplorable Accommodations Plague Athletes Ahead of Olympics

LeBron James, Carmelo Anthony, Chris Paul and Dwyane Wade Call for End to Police Brutality, Gun Violence

Female Tennis Players Crying 'Fault!' Over Nike's Skimpy Wimbledon Outfit