A newly discovered 18-square-mile salt flat (roughly the size of Boulder) likely represents the evaporated remains of one of the last potentially habitable surface lakes to exist on the Red Planet.
Heather Hava has astronomical gardening skills. The Boulder graduate student develops advanced fruit and vegetable gardening systems for use by astronauts on Martian and lunar outposts.
More than a thousand satellites orbit Earth, including remote sensing satellites collecting vast amounts of data about global temperature, forest health, ocean circulation, sea ice and erosion.