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
Space & Planets
Posted inNews
Group Calls for More Focus on Potentially Hazardous Asteroids
A declaration from astronauts, scientists, and others calls for dramatically increasing the detection and tracking of potentially hazardous near-Earth objects.
Posted inAGU News
Learn about the MAVEN Mission to Mars at the 2014 Public Lecture
The 2014 AGU Public Lecture will feature a panel of expert scientists who will speak about the Mars Atmosphere and Volatile Evolution (MAVEN) mission.
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
Role of Lunar Atmospheric Tides in Thermosphere Density
Researchers explored how lunar gravity affects the density of the thermosphere. The study could help improve the accuracy of satellite orbit predictions.
Posted inResearch Spotlights
Measuring Solar Wind Interactions in Mars’s Exosphere
An updated analytical technique gave researchers a new look at ion cyclotron waves in Mars’s extended hydrogen exosphere.
Posted inResearch Spotlights
Manganese Deposits on Mars Suggest a Highly Oxidized Past
Data from the Curiosity rover suggest that the surface of Mars has experienced more strongly oxidizing conditions than previously thought.
Posted inResearch Spotlights
Model of Earth's Plasmasphere Is Incompatible with Measurements
Researchers find that a model of the Earth’s plasmasphere developed in the 1960s is outdated and inaccurate.
Posted inResearch Spotlights
Minerals in Martian Meteorite Illuminate Magnetic Mysteries
What causes the magnetic anomalies found on Mars? Scientists find revealing analogues in a tiny sample of Martian rock that could help answer this question.
Posted inResearch Spotlights
Local Model Better Describes Lunar Gravity
Scientists zero in on the Moon’s South Pole to create more accurate models of the lunar surface.