Curiosity rover is crushing it: ran over a rock and found pure sulfur The RegisterNASA's Curiosity Accidentally Breaks Open Boulder, Makes Monumental Discovery Yahoo! VoicesCuriosity Views Sulfur Crystals Within a Crushed Rock NASA Jet Propulsion LaboratoryCuriosity Cracked Open a Rock on Mars And Found a Huge Surprise ScienceAlertRock crushed by Mars rover reveals crystals never before seen on Red Planet Fox Weather