The Hubble Space Telescope has been quietly orbiting Earth for decades, but it’s still one of the most valuable tools we have for understanding the universe. Because it sits above the atmosphere, it ...

"Knock on wood, it can go another 10 years," former astronaut John Grunsfeld says. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. John Grunsfeld ...

"It's amazing that after 35 years, Hubble still holds a unique capability as a top workhorse for science discoveries and publications." When you purchase through links on our site, we may earn an ...

NASA said the Hubble Space Telescope has returned to normal operations after issues with a gyroscope knocked the device into safe mode. The telescope completed its first observations Saturday, ...