A composite image of Earth and its moon, as seen from Mars, combines the best Earth image with the best moon image from four sets of images acquired on Nov. 20, 2016, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.
Liquid Water Flows on Mars
New findings from NASA's Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars.
Remote Sensing Expertise Exported to Mars
Two observation satellites reached Mars this week: NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft and India's Mangalyaan orbiter. Both satellites have a remote sensing mission, with multiple instruments on board to study the planet and its atmosphere.