Muhammad Ali redefined heavyweight boxing—he broke every rule about how big men should fight. Across 21 years as a professional, Ali won 56 fights (37 by knockout) and lost only 5. Ali turned fights ...

How the sports legend and civil rights icon made decisions throughout his career to leave a lasting impact on the world. Muhammad Ali, born Cassius Marcellus Clay Jr, rose from a poor family in ...

When Muhammad Ali knocked down Sonny Liston on May 25, 1965, a 22-year-old photographer named Neil Leifer was ringside. Decades later, the image he captured still has our attention. By Bill Shapiro ...