Photos show Mars rover Curiosity hard at work

(CNN/NASA) — NASA is sharing images of the Mars rover Curiosity hard at work on the Martian surface.

Curiosity drilled into a slab of Martian sandstone on Monday, collected a powdered sample, and analysis is now under way.

This is Curiosity’s third successful collection of a drilled rock sample. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Users who violate these terms, including use of vulgar language or racial slurs, will be banned. Please be respectful of the opinions of others. If you see an inappropriate comment, please flag it for our moderators to review.

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