TUCSON, Ariz. — NASA’s newest rover, the massive Mars Science Laboratory Curiosity, is less than two months away from plunging into the thin atmosphere of the Red Planet — a harrowing seven-minute ...

3:53 p.m.: Perseverance parachute has deployed to help control its descent to Mars. The spacecraft is now traveling at subsonic speeds. Here goes! Lighting the engines on my “jetpack” for final ...