Could microbial life on Mars be hiding under ice?

View larger. | Gullies in Terra Sirenum on Mars. Scientists say the white patches are dusty water ice. These kinds of ice deposits could have pools of liquid water underneath them. Enough sunlight could filter through the ice to support possible photosynthetic microbial life on Mars. Image via NASA/ JPL-Caltech/ University of Arizona.

• Is there life on Mars? We still don’t know for sure.
• Microbial life could exist below dusty ice deposits, a new study from NASA said.
• Pools...