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 ...

This has caused Hubble to slip into safe mode multiple times, halting science operations. As a result, the space agency has just two fully functional gyroscopes. One of these, gyro 4, has operated ...

Hubble Space Telescope's 35th anniversary: See NASA's new out-of-this-world images The Hubble Space Telescope, launched 35 years ago, has blown our minds with its striking images of far-away ...

The Hubble Space Telescope has been taking an extended look at a spiral galaxy to help astronomers make improvements in measuring vast cosmic distances. NGC 7038 is an enormous, oval-shaped spiral ...

Grunsfeld, a former NASA astronaut who has served as both the agency's chief scientist and science division leader, helped Hubble last as long as it has. He flew on no less than three of NASA's ...

The Hubble Space Telescope captured an unprecedented view of a supernova's explosive death process from 11 billion years ago. That places the event deep into the past of our 13.8-billion-year-old ...

This NASA/ESA Hubble Space Telescope reveals clouds of gas and dust near the Tarantula Nebula, located in the Large Magellanic Cloud about 160,000 light-years away. ESA/Hubble & NASA, C. Murray ...

Hubble's new image of the Sombrero Galaxy, Messier 104. ESA/Hubble & NASA, K. Noll. Messier 104 was discovered back in 1781 by the French astronomer Pierre Méchain—and has since been the ...