NASA's Spitzer Space Telescope has detected plump black holes where least expected -- skinny galaxies.
New studies show the wrenching gravity just outside the outer boundary of a black hole can produce yet another bizarre effect: light echoes.
Google has announced a new version of Sky in Google Earth at the American Astronomical Society meeting in Austin, Texas.› Read more →
Hubble has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other.
A structure resembling a giant moth floating in space is giving astronomers new insight into planetary system formation.
Astronomers are using NASA's Hubble Space Telescope as part of a quest to understand the violent lives of galaxies.
We all start to party less around middle age, and new studies from NASA's Spitzer and Hubble space telescopes now find that the universe, as a whole, is no exception.› Read more →
New observations from NASA's Spitzer Space Telescope and a ground-based telescope.› Read more →
A new Chandra image of nearby galaxy Centaurus A peers into the workings of an active supermassive black hole.
Astronomers have discovered galaxies in the distant universe that are ancestors of spiral galaxies like our Milky Way.› Rutger's release →
Hubble finds 'blue blobs' are brilliant blue clusters of stars born in the swirls and eddies of a galactic smashup 200 million years ago.
NASA scientists and a space shuttle astronaut outlined details of a mission that will repair and upgrade the Hubble Space Telescope.
A powerful one-two punch for astronomy happens when you team up orbiting and ground-based observatories.