10.20.11 - Twenty lucky followers of NASA's Twitter account will get behind-the-scenes access at the launch of the agency's next Earth-observing satellite mission.
10.20.11 - The Antarctic ozone hole, which yawns wide every Southern Hemisphere spring, reached its annual peak on Sept. 12.
10.19.11 - NASA has released a series of new satellite data visualizations that show tens of millions of fires detected worldwide from space since 2002.
10.17.11 - NASA and Japan released a significantly improved version of the most complete digital topographic map of Earth on Monday, produced with detailed measurements from NASA's Terra spacecraft.
10.13.11 - Scientists with NASA's Operation IceBridge airborne research campaign began the mission's third year of surveys this week over the changing ice of Antarctica.
10.12.11 - NASA is planning an Oct. 27 launch of the first Earth-observing satellite to measure both global climate changes and key weather variables.
10.05.11 - NASA will hold a news briefing on Wednesday, Oct. 12, at 1 p.m. EDT, on the agency's next Earth-observing satellite mission, the National Polar-orbiting Operational Environmental Satellite System Preparatory Project (NPP), scheduled to launch on Oct. 27 from Vandenberg Air Force Base, Calif.
10.05.11 - Astronomers have found a new cosmic source for the same kind of water that appeared on Earth billions of years ago and created the oceans. The findings may help explain how Earth's surface ended up covered in water.
10.04.11 - Last month the extent of sea ice covering the Arctic Ocean declined to the second-lowest extent on record.
10.02.11 - A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere.
09.29.11 - NASA Space Telescope Finds Fewer Asteroids Near Earth
09.24.11 - The precise re-entry time and location of debris impacts have not been determined.
09.22.11 - NASA's new Aquarius instrument has produced its first global map of the salinity of the ocean surface, providing an early glimpse of the mission's anticipated discoveries.
09.14.11 - NASA, on behalf of the National Oceanic and Atmospheric Administration (NOAA), has awarded a sole source letter contract to Northrop Grumman Systems Corp. of Azusa, Calif., for the Advanced Technology Microwave Sounder (ATMS) instrument planned for flight on the first Joint Polar Satellite System (JPSS-1).
09.07.11 - NASA will host a media teleconference at 11 a.m. EDT on Friday, Sept. 9, to discuss the anticipated re-entry of the agency's decommissioned Upper Atmosphere Research Satellite (UARS). Re-entry is expected late this month or early October.
09.06.11 - NASA's Lunar Reconnaissance Orbiter (LRO) captured the sharpest images ever taken from space of the Apollo 12, 14 and 17 landing sites.
08.31.11 - On Tuesday, Aug. 30, NASA's next Earth-observing research satellite arrived at Vandenberg Air Force Base in California to begin preparations for an October launch.
08.18.11 - NASA-funded researchers have created the first complete map of the speed and direction of ice flow in Antarctica.
07.19.11 - NASA has released a new book for visually impaired people to experience the wonders of the moon.
06.30.11 - NASA's DISCOVER-AQ air quality field campaign is scheduled to take to the skies over the Baltimore-Washington traffic corridor on Friday, July 1, from 10:30 a.m. to 6:30 p.m. EDT.