Without GPS, keeping track of our Martian explorers is no easy task. Data management for the thousands of photos, especially their locations, is in fact a full time job. Fred Calef, JPL’s “Keeper of the…

For over 13 years, NASA’s Opportunity Rover has been exploring Meridiani Planum on Mars. The determined spacecraft has faced a lot of challenges through its mission, not least of which is continuing to operate in…