On October 29, 1991, the Galileo spacecraft flew by the asteroid Gaspra on its way to Jupiter. ‘On This Day in Space’ Video Series on Space.com Gaspra was the first asteroid to ever be visited ...

It is a reusable winged spacecraft. Much like NASA’s Space Shuttle, it will be launched by a carrier rocket but can then perform a runway landing. “In order to further reduce the cost of uplink cargo ...