John Klein

  • NASA's robotic rover Curiosity drills into Martian rock February 10, 2013

    Washington: For the first time, NASA's rover Curiosity used its on-board drill to collect a sample of Martian bedrock that might offer evidence of a long-gone wet environment, the US space agency reported on Saturday. Drilling down 2.5 inches (6.4 cm) into a patch of sedimentary bedrock, Curiosity collected the...