NASA's MESSENGER spacecraft discovered electric currents in Mercury's magnetosphere directed toward and away from the planet. Do the currents reach the planet? If so, where do they go?
NASA
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Dawn Spacecraft Enters into Orbit Around Dwarf Planet Ceres
A 16-month investigation of the dwarf planet Ceres could reveal a lot about the most massive body in the asteroid belt and could advance our understanding of the formation of terrestrial planets.
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White House Budget Request Calls for 2.9% Increase for NASA
NASA's proposed budget would provide a small increase overall as well as for the agency's Science Mission Directorate.
Posted inFeatures
Human and Robotic Missions: To the Moon Again and Beyond
Robotic probes could help us collect samples from the Moon, potentially revealing the origins of our solar system.
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Holidays Really Do Light Up the Night
NASA and NOAA images reveal brighter than average December lights in the United States, brighter Ramadan nights in the Middle East.
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MAVEN Unlocks Secrets of the Martian Atmosphere
In its first month, NASA’s orbiter saw effects of the solar wind at low altitude and tracked a plume of gases escaping into space
Posted inScience Updates
Rapid Coordination Extends Space-Based Sun-Climate Record
Faced with the prospect of a large data gap in solar irradiance records, scientists take steps to ensure that this key climate variable stays monitored.
Posted inResearch Spotlights
Identifying Biases in Satellite Temperature and Humidity Records
Researchers estimated the sampling biases that affect temperature and humidity climatologies derived from detectors on NASA’s Aqua satellite.
Posted inScience Updates
Remote Sensing of Water Quality: Bridging Operational and Applications Communities
How Can Remote Sensing Address Information Needs and Gaps in Water Quality and Quantity Management?; Cincinnati, Ohio, 28 April–2 May 2014
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Pluto-Bound Spacecraft Crosses Orbit of Neptune
NASA’s New Horizons spacecraft, which is en route to explore Pluto and its planetary system in 2015, crossed the orbit of Neptune on 25 August.