A 29-pound Mars rock held NASA’s Curiosity rover hostage for 6 days SpaceNASA’s Curiosity Rover Frees Its Drill From a Rock NASA Science (.gov)Curiosity Drilled Into a Rock on Mars And Gave Scientists a Big Surprise ScienceAlertMars rover hits rocky snag with power tool The RegisterShake it off—NASA’s Curiosity rover gets its robotic arm stuck inside a rock on Mars Scientific American
