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NASA Mars Exploration Program

On Mars, Curiosity finds signs of an explosive volcanic past

On Mars, Curiosity finds signs of an explosive volcanic past

Bombarding Martian rock with X-rays, NASA’s Curiosity rover has dug up the first mineral evidence of an explosive type of volcano on Mars that can also be found on Earth.

The findings, described in the Proceedings of the National Academy of Sciences, could hint at the complex dynamics beneath the surface during the Red Planet’s earlier, more active history.

“Maybe Mars is different on the inside than we think it is,” said study lead author Richard V. Morris, a geochemist at NASA’s Johnson Space Center.

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