News & Sports

The cyclist famous for winning seven Tour de France victories admitted in an interview on Oprah Winfrey's OWN channel that he took performance-enhancing drugs in each of the seven wins. NBC's Anne Thompson reports. (TODAY)

In an interview with Oprah Winfrey, Lance Armstrong admitted taking banned substances to enhance his cycling performance.  NBC's Kurt Gregory reports. (NBC News)

NBC Sports' Bob Costas joins Rock Center to discuss the confession by cyclist Lance Armstrong that he used performance-enhancing drugs throughout his career, including during his seven Tour de France wins. Costas discusses the fallout from the admission. (Rock Center)

Despite denials made in interviews and a deposition, legendary cyclist Lance Armstrong has come clean about using performance-enhancing drugs. NBC's Ann Thompson reports on his admission to Oprah Winfrey. (TODAY)

Lance Armstrong is painted as both a user and a supplier for the team of performance-enhancing drugs in a damning new report that includes more than a thousand pages of evidence and testimony, including sworn statements by his former teammates. NBC's Mike Taibbi reports. (TODAY)

The U.S. anti-doping agency has presented 1,000 pages of what it calls overwhelming evidence of an undeniable web of cheating. NBC's Lisa Myers reports. (Nightly News)

After a remarkably fast performance in the women's 400-meter individual medley, gold medal winner Ye Shiwen generated controversy. NBC's Chris Jansing reports. (Nightly News)

A new report in Sports Illustrated links seven-time Tour de France winner Lance Armstrong to an "organized doping operation" and looks at past doping charges against him. (Nightly News)