01.09.12 - After 16 years in space, NASA's Rossi X-ray Timing Explorer (RXTE) has made its last observation. The satellite provided unprecedented views into the extreme environments around white dwarfs, neutron stars and black holes.
01.05.12 - NASA researchers will present new findings on a wide range of space science topics during the AAS 2012 winter meeting. The meeting runs from Sunday, Jan. 8, through Thursday, Jan. 12, at the Austin Convention Center, Austin, Texas.
12.21.11 - Cryogenic testing is complete for the final six primary mirror segments and a secondary mirror that will fly on NASA's James Webb Space Telescope.
12.20.11 - In 2011, NASA began developing a heavy-lift rocket for the human exploration of deep space, helped foster a new era of commercial spaceflight and technology breakthroughs, fully utilized a newly complete space station and made major discoveries about the universe we live in, many of which will benefit life on Earth.
12.20.11 - NASA's Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system.
12.19.11 - NASA has named physicist and former astronaut John Grunsfeld as the new associate administrator for the Science Mission Directorate at the agency's headquarters in Washington. Grunsfeld will take the reins of the office effective Jan. 4, 2012. He succeeds Ed Weiler, who retired from NASA on Sept. 30.
12.19.11 - NASA will host a news teleconference at 1 p.m. EST, Tuesday, Dec. 20, announcing new discoveries by the Kepler mission.
12.15.11 - An international team of astronomers has identified a candidate for the smallest-known black hole using data from NASA's Rossi X-ray Timing Explorer (RXTE).
12.05.11 - NASA has announced a unique opportunity to ask the commander of the International Space Station a question about his role on the orbiting outpost. Commander Dan Burbank will answer videotaped questions from the public during a live event tentatively set for Friday, Jan. 20 on NASA Television.
12.01.11 - NASA will host a news briefing at 8 a.m. PST, Monday, Dec. 5, to announce new discoveries by the Kepler mission. The briefing, during the Kepler Science Conference, will be in building 152 at NASA's Ames Research Center at Moffett Field, Calif.