The World Health Organization has closed in on its bold goal of eradicating polio several times, but the paralytic virus is ...

Cooper Lutkenhaus, 16, set a world U18 record in the 800 meters with an electric stretch run at the U.S. Track & Field ...

A total 1,276 musicians from across South Africa and Zimbabwe came together in Cape Town to break the Guinness World Record ...

The United States set the world record in the women's 4x100 metres medley relay at the world championships in Singapore on ...

The United States, which had a frustrating swim world championships, ended on a high note Sunday with a world record in the ...

The United States set the world record in the 4x100 freestyle mixed relay, clocking 3 minutes, 18.48 seconds in the swim ...

Summer McIntosh, the 18-year-old Canadian swimming star, rolled to victory Sunday in the women’s 400-meter individual medley, ...

Katie Ledecky claims her gold medal after winning the women's 800m freestyle at the World Aquatics Championships, her seventh ...

Walsh kicked off a busy Saturday at the world championships with her second gold medal of the meet, winning the butterfly ...