Since its launch in 1990, the Hubble Space Telescope has been one of the most valuable tools in astronomy, contributing to findings about everything from far-off exoplanets to the expansion of the ...

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 will ...

Glitches have closed Hubble's supersharp eye from time to time over the past 30 years. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For the ...

The Hubble Space Telescope is still going strong thanks to an amazing design, operations and science team — and a cadre of spacewalking astronauts. Hubble launched to Earth orbit 35 years ago today ...

Recent measurements from JWST have confirmed the validity of the “Hubble tension.” The Hubble tension stems from the fact that measuring the Hubble constant—the rate of the universe’s expansion—two ...

The Hubble telescope just made its best measurement yet of the universe's current expansion rate, but it still doesn't match the early universe. When you purchase through links on our site, we may ...

After more than three decades of revolutionary cosmic discovery, the Hubble Space Telescope is getting a new spin on its operations—and entering what may be the twilight of its epochal mission. Hubble ...

The Hubble Space Telescope resumed science observations on Friday after ground teams spent most of the last three weeks assessing the performance of a finicky gyroscope, NASA said. The troublesome ...