Michael Phelps ending retirement
1 of 1
USA's Michael Phelps competed in a heat of the men's 400-meter individual medley in the 2012 London Olympics.
Photos: State Air Riflery Championships, Oct. 28
Photos: Pahoa lava flow, Oct. 27
Photos: Basketball: UH Wahine Scrimmage, Oct. 26
More Photo Galleries »