Martian Rock Sample NASA’s Perseverance rover completed the collection of the first sample of Martian rock, a core from Jezero Crater slightly thicker than a pencil. Mission controllers at NASA’s Jet Propulsion Laboratory (JPL) in Southern California received data that confirmed the historic milestone. The core is now enclosed in an airtight titanium sample tube, making … Continue reading Perseverance Rover Collects First Martian Rock Sample (video)