Hubble Space Telescope is in trouble after gyroscope failure
The 28-year-old space observatory is currently in safe mode.
Researchers may have found the first signs of an exomoon
The Neptune-sized object is orbiting the star Kepler-1625.
NASA delays James Webb Space Telescope launch until 2021
The fact that there is a launch date -- March 30, 2021 -- is good news.
The James Webb Space Telescope will be delayed for at least a year
NASA announced today that the the current target launch date is May 2020.
NASA’s Hubble successor may miss its launch window
The James Webb Space Telescope may not be ready by June 2019.
NASA pushes James Webb Space Telescope launch to Spring 2019
The integration of its spacecraft parts could delay liftoff by up to eight months.
The search for a habitable second Earth
We’ve never had a better chance of finding extraterrestrial life -- if it exists.
Listening to starlight: Our ongoing search for alien intelligence
If ET is out there, he's doing a great job hiding from us.