Researchers use machine learning to search for SAM sites over a large search area in southeast China. (Center for Geospatial Intelligence)
This computer-generated view depicts part of Mars at the boundary between darkness and daylight, with an area including Gale Crater beginning to catch morning light. Curiosity was delivered in 2012 to Gale crater, a 155-kilometer-wide crater that contains a record of environmental changes in its sedimentary rock. Credit: NASA JPL-CALTECH