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Underground microbes may have swarmed ancient Mars

FILE - This image made available by NASA shows the Jezero Crater area on the planet Mars, captured by the Mars Reconnaissance Orbiter. Ancient Mars may have had an environment capable of harboring an underground world teeming with microscopic organisms. That's according to French scientists who published their findings, Monday, Oct. 10, 2022. (NASA/JPL-Caltech/USGS via AP, File)

FILE - This image captured by the United Arab Emirates' "Amal" ("Hope") probe shows the planet Mars on Feb. 10, 2021. Ancient Mars may have had an environment capable of harboring an underground world teeming with microscopic organisms. That's according to French scientists who published their findings Monday, Oct. 10, 2022. (Mohammed bin Rashid Space Center/UAE Space Agency, via AP, File)

Underground microbes may have swarmed ancient Mars