The Serena Williams show continued at the U.S. Open as the world number one moved a step closer to a calendar Grand Slam.
The boxer plans to go out unbeaten and on his own terms, as "The Best Ever," when he ends his career next week with his welterweight title defense against fellow American Andre Berto.
Los Angeles' 2024 summer Olympics bid will be a new start for the United States as it attempts to land the first summer Games since 1996.
A look at the science behind a golf ball’s flight impact.
U.S. President Barack Obama scored a major foreign policy victory by securing enough Senate votes to protect the Iran nuclear deal in Congress, but Republicans pledged to keep up their fight against the pact with new sanctions on Tehran.