Astronauts repaired and upgraded NASA's Hubble Space Telescope over the course of five servicing missions from 1993 to 2009. ... (Two of Hubble's six gyroscopes are functional at the moment, ...

Trouble with one of the Hubble Space Telescope's three remaining gyroscopes, critical for aiming and locking onto targets, has prompted mission managers to switch to a backup control mode that ...

Billionaire private astronaut Jared Isaacman has offered to cover the costs to revamp Dragon to extend Hubble’s life beyond that date, but questions of safety have kept NASA undecided on the idea.

Now, though, to avoid having to use the sketchy gyro, NASA says Hubble will shift into a one-gyroscope mode of operation, a contingency plan that’s been around for years.

After more than three decades in orbit, NASA’s Hubble Space Telescope is showing its age. This image of Hubble was taken by an astronaut aboard the space shuttle Atlantis on May 19, 2009 ...

The NASA astronauts used the opportunity to carry out repairs to things such as a space station gyroscope, the NICER (Neutron star Interior Composition Explorer) X-ray telescope and to prepare a ...

Longtime NASA astronaut Don Pettit, who has ventured to space four times, returned to Earth on Saturday night from the International Space Station. Pettit, who turned 70 on Sunday, landed at 9:20 ...