The monumental achievement of sending the first human in space is a cornerstone of the history of space travel. On April 12, ...

Learn about Valentina Tereshkova, the first woman in space. Know about her Vostok 6 mission, her life as a cosmonaut, and her ...

Once America's most experienced astronaut, Apollo 13's Jim Lovell, who died at 97, was the first to visit the moon twice.