In the hush-hush, secretive world of space-based spy satellites, few details are publicly ... "They are somewhat similar to ...

However, they also had a history working with optical systems, including for the KH-9 spy satellite. They were in charge of building and testing the Hubble’s mirror. It was off by about 2 ...

Unlike many of Hubble’s pictures of relatively nearby ... and the National Reconnaissance Office, which operates spy satellites. The three companies each received about $3 million to build ...

This prolific star factory is in the Small Magellanic Cloud, one of the largest of the Milky Way's satellite galaxies. As part of ESA/Hubble's 35th anniversary celebrations, a new image series is ...