While the orbiters were remarkably similar, the launch systems were not. The American Space Shuttle used three main engines mounted to the orbiter itself, a large external tank, and two solid ...

The U.S. Space Force says ... s sensing and guidance system to orchestrate a rendezvous with another satellite in orbit. The full-scale Otter would be capable of docking with other satellites ...

Suni Williams and Butch Wilmore, the astronauts who had an unexpectedly long stay in orbit, are set to head back to Earth just two days after a replacement crew docked at the space station.