![](/sites/default/files/styles/crop_freeform/public/2022-01/pebbetter.jpg?itok=bjxbTHNX)
Credit: NASA/JPL-Caltech/ASU/MSSS
Now that NASA’s Mars 2020 Perseverance rover team has cleared a pebble obstruction from its sample collection mechanism, the robot geologist is ready to resume drilling into selected rocks that may host evidence of past microbial life on the red planet. After a successful July 30, 2020, launch and...
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