ICYMI: Orbital space junk is putting us in jeopardy
The US Air Force can track 10,000 pieces of space debris at a time.
NASA extends the Spitzer mission for two-and-a-half years
It will look for targets for James Webb to observe more closely.
NASA is making a small carbon nanotube telescope for CubeSats
It might take a while before it's ready, though.
Telescopes catch the aftermath of a black hole swallowing a star
Stargazers recently observed a supermassive black hole destroying a star.
China finished the world's largest single-aperture telescope
The 500-meter dish will now listen out for signs of extra-terrestrial life.
NASA tasks the Hubble Telescope with five more years of service
The telescope will still be in use when its successor launches in 2018.
The Arecibo radio telescope is in trouble again
Low funding could shut it down entirely or transfer control to someone else.
NASA and Germany extend the life of their flying observatory
SOFIA is an infrared telescope in a Boeing 747.
Watch a 450-year-old supernova continue to bloom
The type Ia supernova lit up the skies in 1572.