Good old Michael Phelps, golden again. For teenagers Katie Ledecky and Simone Biles, their star turns in the Summer Olympics might be just beginning. From the pool to the gymnastics floor,...

9 p.m. French Open champion Garbine Muguruza has been upset in the third round of the Olympic tennis tournament by 37th-ranked Monica Puig of Puerto Rico....

This one will surely be seen as a victory for clean athletes over the dopers. No doubt, that was Lilly King's take. The feisty American stared down Yulia Efimova, a swimmer at the center of...

9:20 p.m. World series champion Australia and longtime women's rugby front-runner New Zealand will play off for the first rugby sevens gold ever awarded at the Olympics after convincing semifinal wins....

Dutch cyclist Annemiek van Vleuten sustained three small fractures to her spine and will remain hospitalized in intensive care after crashing Sunday during the women's Olympic road...

Time to make room for gold No. 19. With yet another dazzling performance, the most decorated athlete in Olympic history added to his staggering haul Sunday night in the 4x100-meter freestyle...

6pm The entire Russia team has been banned from competing in the Paralympic Games in September as punishment for the country's systematic doping program....

The Olympics began in full with the first gold medal going to an American teenager by the fearsome name of Thrasher. There was plenty of rough riding on a punishing cycling course, a smooth opener for...

French gymnast Samir Ait Said landed awkwardly on a vault, and a sickening snap echoed throughout the arena. A split second later, he was clutching his contorted left leg, his tibia...

A bomb squad is investigating after an apparent blast shook the area near the finish line of the men's cycling road race....