It's moving almost 10 percent faster than scientists thought.
Hey, it's worth a try.
After a decade of protests and controversy, the world's largest visible-light telescope may get built after all.
The spaceship is out of fuel and in sleep mode. It may not wake up.
A swift kick is all it took to get Hubble working again.
NASA's Chandra X-Ray Observatory is suffering from the same hardware failure that took Hubble out last weekend.
The nearly 30-year-old telescope is rapidly nearing its end of life.
An observatory in New Mexico was mysteriously closed this month while the FBI investigated and now we know why. No, it wasn't aliens.
Staff have been evacuated and the FBI has sent agents and a Blackhawk helicopter to the site, without telling anyone what's going on.
NASA's recently launched TESS satellite gave its cameras a test run by pointing them at a nearby comet.
So you've decided to look for Saturn. What scope should you buy?
This is the third major delay announcement in less than a year.
Spotting space rocks before they squash humanity like a bug.
The ELT will be the largest optical/near-infrared telescope in the world, with a primary mirror stretching 39 meters.