03.29.13 - The Swift satellite observed a comet that may become one of the most dazzling seen in decades when it rounds the sun later this year.
04.29.13 - The Herschel observatory, a European space telescope for which NASA helped build instruments and process data, has stopped making observations after running out of liquid coolant as expected.
03.28.13 - In a new view of a vast star-forming cloud called W3, the Herschel space observatory tells the story of how massive stars are born.
03.22.13 - The twisted, wormlike structure of this galaxy is most likely the result of a collision and subsequent merger of two galaxies. Such interactions are quite common.
03.21.13 - How do scientists extract ancient light from the sky? Like archeologists digging for fossils, they carefully sift through foreground material to reveal their prize.
03.21.13 - The Planck space mission has released the most accurate and detailed map ever made of the oldest light in the universe, revealing new information about its age, contents and origins.
03.19.13 - NASA issued a video and photos showing the practice run of the James Webb Space Telescope in the giant clean room at NASA's Goddard Space Flight Center in Greenbelt, Md.
03.19.13 - Astronomers have found some of the youngest stars ever seen, thanks to the Herschel space observatory, a European Space Agency mission with important NASA contributions.
03.19.13 - NASA will host a news teleconference at 8 a.m. PDT (11 a.m. EDT), Thursday, March 21, to discuss the first cosmology results from Planck.
03.18.13 - A new study using data from NASA's Chandra X-ray Observatory points to the origin of a famous supernova.