NASA mounted space shuttle Discovery on a jumbo jet Sunday (April 15), in preparation for the retired orbiter's delivery to the Smithsonian. The paired air- and spacecraft are expected to depart ...

A set of memorabilia chronicling Sally Ride's pioneering path to space just fetched a pretty penny at auction. In June 1983, Sally Ride became the first American woman to reach the final frontier, on ...

"We astronauts are here today to salute all those who made our trip into space possible. They have permitted us to see the Earth as a precious blue jewel in the blackness of space. Now all of us may ...

Two months ago, Sally Ride was literally in the clouds as the first American woman in space, but ever since she and the crew from the Space shuttle Challenger touched down, Sally Ride has been ...