NASA’s Perseverance Mars rover has now collected two rock samples with signs that they were in contact with water for a long period of time, boosting the case for ancient life on the Red Planet. “It looks like our first rocks reveal a potentially habitable sustained environment,” said Ken Farley, project scientist for the mission, in a statement on Friday. “It’s a big deal that the water was there for a long time.” The six-wheeled robot collected its first sample, dubbed “Montdenier” on September 6, and its second, “Montagnac” from the same rock on September 8. Both samples, slightly wider than a pencil in diameter and about six centimetres long, are now stored in sealed tubes in the rover’s interior… (READ MORE)

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