In 1978, Ride and five other women became the first group of female astronauts in the U.S. A new book by a longtime curator of spaceflight artifacts explores the nearly five-decade history of women in ...

African American astronaut Mae Jemison, left, smiles as suit technician Sharon McDougle performs an unpressurized and pressurized leak check on her spacesuit prior to the STS-47 Spacelab-J mission on ...

These women broke boundaries and reached for the stars. Before spaceflight became more inclusive, a few extraordinary women broke through the stratosphere — and the barriers of history. The journey ...

Most people think Sally Ride was the first woman in space - but that honor belongs to Valentina Tereshkova, a Soviet cosmonaut who launched into orbit in 1963. This video uncovers her remarkable ...