A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth. Northrop ...

If successful, the mission could serve as a blueprint for future efforts to repair, refuel or reposition satellites in orbit.

Flagstaff-based Katalyst Space Technologies launched a spacecraft to capture and boost NASA’s Swift telescope, keeping it in orbit and operating.

Swift has been circling Earth for 21 years. Without a rescue mission assembled in just nine months, it would burn up by ...

Inside This Report A three-armed robotic spacecraft named LINK launched Friday to chase down, capture and re-boost NASA's sinking Swift Observatory - one of the most difficult satellite-rescue ...

More than 500,000 stars blaze red, white, and blue in this image from NASA's Hubble Space Telescope, released in celebration of the United States' 250th anniversary. The image showcases Messier 3 (M3) ...

A refrigerator-size spacecraft will try to grab onto Swift and nudge it to a higher orbit, enabling it to continue observing powerful cosmic explosions.

A three-armed spacecraft has rocketed into orbit to rescue a Nasa telescope that is in danger of crashing back to Earth. Northrop Grumman launched Katalyst Space Technologies’ Link spacecraft from the ...

A rocket launching to space from an airplane is sort of like a hat on a hat, but you know what? The more hats, the better.

This brilliant new image, taken by Europe’s Euclid space telescope, offers a preview of the kind of imaging that will be ...

Astronomers have revisited data from a dramatic collision of neutron stars to help resolve the infamous ‘Hubble tension’.