Gigantic magnetic loops on planet-forming disks explain a mystery of too much infrared light.
NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft has spotted a never-before-seen comet -- its first such discovery since coming out of hibernation late last year.
One of the closest supernovas to go off in the last few decades is putting on a good show for telescopes on the ground and in space.
NASA's Kepler mission announced the discovery of 715 new planets. These newly-verified worlds orbit 305 stars, revealing multiple-planet systems much like our own solar system.
Herschel has discovered massive elliptical galaxies in the nearby Universe containing plenty of cold gas, even though the galaxies fail to produce new stars.
NASA's Spitzer and Hubble Space Telescopes team up to find a small galaxy that appears to be lying at the observable edge of our universe.
The Keck Observatory Archive (KOA) has released raw images and spectra from the Low Resolution Imaging Spectrometer (LRIS). As of Oct 1 3,480 nights of LRIS data have been archived, and 3,294 nights are public. These data go back as far as 1994.