In other events, Gretchen Walsh became the first American woman to ever win gold at the world championships in the 50m ...

Katie Ledecky, 28, broke her own record in women's swimming, winning her seventh straight 800-meter freestyle.

Katie Ledecky became the first swimmer to earn seven world titles in one event with an epic win over Lani Pallister and ...

The Americans set a world relay record and piled up three gold medals Saturday in what's been an otherwise frustrating ...