Was there once life on Mars? It’s a question that astrobiologists—astronomers searching for life elsewhere in the universe—along with the rest of us have been asking for quite some time. Three new maps just released by the U.S. Geological Survey give new reasons to think the answer may be yes.
The maps show evidence of a geologic process that hints at a wet environment. Dr. Chris Okubo, a scientist with USGS and lead author of the maps, says they reveal an environment, “where groundwater was abundant and occasionally seeped onto the ground surface, forming pools.” More >>