For the first time, one commercial satellite has grabbed hold of another one in orbit around Earth, demonstrating a technology that could help reduce the proliferation of space debris around our ...

The Air Force has pulled back the curtain on a formerly secret satellite program intended to keep tabs on other spacecraft and space debris in geosynchronous orbit. In a speech at the Air Force ...

Old, digitized astronomical images taken before the human spacefaring age offer a unique view of the sky devoid of known artificial satellites. In this paper, we have carried out the first optical ...