New research suggests that Venus may never have possessed liquid water oceans. That would mean "Earth's evil twin" was always ...

On July 7 1961, the U.S. Air Force launched a satellite called Discoverer 26 into orbit with a classified payload. On July 7, 1961, the U.S. Air Force launched a satellite called Discoverer 26 ...

Serena Williams left, holds the championship trophy, after defeating her sister Venus, who holds the runners-up trophy, in the women's singles final on the Centre Court at Wimbledon, on Saturday, July ...