Mars rover wraps survey of Jezero crater’s surprising volcanic floor | Science

THE WOODLANDS, TEXAS—After a year exploring the floor of Mars’s Jezero crater, where it gathered seven—soon to be eight—chalk-size rock samples for return to Earth, NASA’s Perseverance rover is set to speed toward its longstanding target at the crater’s edge: the remnants of a delta, deposited by water billions of years ago, that may contain … Read more