Home This image shows the Highfield drill hole made by NASA’s Mars Curiosity rover as it was collecting a sample on “Vera Rubin Ridge” in Gale Crater. (NASA/JPL-Caltech/MSSS) This image shows the Highfield drill hole made by NASA’s Mars Curiosity rover as it was collecting a sample on “Vera Rubin Ridge” in Gale Crater. (NASA/JPL-Caltech/MSSS)