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.

An unstable gyroscope has forced NASA's Hubble Space Telescope to enter safe mode, resulting in a temporary suspension of its scientific observations. Reading time 2 minutes NASA is addressing an ...

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 ...

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 ...