Australian tennis star Nick Kyrgios recently took to Instagram to share his thoughts on Jannik Sinner's three-month doping ...

Jannik Sinner has accepted a three-month suspension from tennis after reaching a settlement in his doping case. The men's ...

The men's world No. 1 could face a two-year ban. Here's what to know about the doping proceedings against him so far ...

A new undetectable doping trick that would help athletes to move faster for longer is being investigated by authorities ...