NASA Spirit Rover Data Reveals Widespread Ancient Water on Mars
More than 20 years after landing in Gusev Crater, NASA’s Spirit rover has yielded new evidence that liquid water once covered vast regions of Mars. Re-analyzing archival data collected between 2004 and 2010 revealed widespread crystalline hematite and altered magnetite, signaling that ancient water-rock interactions were far more extensive than previously recognized. Archival data collected … Read more