12.21.12 - Two years after WMAP's "retirement," the WMAP science team is releasing its final results, based on nine years of observations.
12.19.12 - This photo shows the James Webb Space Telescope's 'IEC' all wrapped up in a thermal blanket, and looking like a holiday package at a cleanroom at NASA Goddard.
12.19.12 - Citizen scientists are invited to help astronomers by tagging clouds and holes in cosmic images from the Spitzer and Herschel space telescopes.
12.18.12 - A runaway star can be seen charging through the dust in an infrared portrait from NASA's Spitzer Space Telescope.
12.18.12 - 'Tis the season for holiday decorating so astronomers using Hubble have photographed a festive-looking nearby planetary nebula called NGC 5189.
12.14.12 - NASA will provide live commentary of the scheduled lunar surface impacts of its twin Gravity Recovery and Interior Laboratory (GRAIL) spacecraft beginning at 2 p.m. PST (5 p.m. EST) Monday, Dec. 17.
12.12.12 - Using NASA's Hubble Space Telescope, astronomers announced Dec. 12 they have seen further back in time than ever before and have uncovered a previously unseen population of seven primitive galaxies that formed more than 13 billion years ago, when the universe was less than 3 percent of its present age. The deepest images to date from Hubble yield the first statistically robust sample of galaxies that tells how abundant they were close to the era when galaxies first formed.
Audio and video podcasts on NASA missions looking for answers deep into the cosmos.