Kyrgios, the temperamental star who was a finalist at Wimbledon last year, had battled soreness in his left knee but was hoping to play.

On the eve of the Australian Open, the electric, sometimes eccentric tennis star, has become the sport’s biggest draw but also its riskiest pitchman.

Osaka, a four-time Grand Slam champion, was once widely considered the world’s top hardcourt player, but she has struggled to regain her form after injuries...

Your most memorable runs of the year included finally hitting the pavement after having a baby, healing from grief, committing to love and committing to...

More and more pro and college athletes are trying on the Q-Collar as they search for something, anything, that might keep their brains safe. But...

Head and neck injuries are rare in track and field, but coaches and professional runners are starting to pay more attention to their effects and...

The American ski racer Nina O’Brien’s notorious crash and fractured leg shook the Olympic skiing competition. Nine months later, she is racing again.

As Diggins, an Olympic and overall world champion, begins a new season, she is eyeing the next opportunity to make a major statement. Cue the...

Djokovic, the Serbian star, missed long stretches of the season because he refused to get vaccinated against Covid-19. After winning the ATP Finals, is he...

His career came to and abrupt end in February, when Russian forces invaded his country and he became a soldier.