The venerable Hubble Space Telescope is running out of gyroscopes, and when none are left, the instrument will cease to conduct meaningful science. To preserve the telescope, which has been operating ...

Hubble entered safe mode on April 23, but NASA reports the telescope is still in "good health." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

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 ...

High-precision space-based gyroscopes are important in space science research and space engineering applications. In fundamental physics research, they can be used to test the general relativity ...