Natural History Wanderings

EarthSky  reports

Scientists have discovered remnants of ancient ice sheets buried in sand a mile (1.6 km) beneath Mars’ north pole, they report in a new study.

The team found layers of sand and ice that were as much as 90 percent water in some places. If it melted, the newly-discovered ice would be equivalent to a global layer of water around Mars at least 5 feet (1.5 meters) deep, which could be one of the largest water reservoirs on the planet, according to the researchers.

Read full story at  Ancient ice sheets found under Mars’ north pole | Space | EarthSky