Curiosity has identified an area of diverse rocks, which add to the body of evidence that there was once water on Mars, according to NASA's Jet Propulsion Laboratory in an update on the rover's progress given at a press briefing on Tuesday.

These rocks are the first target for Curiosity's drill. The area is named "John Klein," after a Curiosity project manager and longtime Jet Propulsion Laboratory veteran who died in 2011.

Michael Malin, the principal investigator for Mastcam, the two cameras on the rover's mast, said at the briefing that "diversity is always a measure of the number of processes and types of materials" in an area.

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