Water flows on Mars, raising possibility that planet could support life ... - Reuters

CAPE CANAVERAL, Fla. Briny water flows during the summer months on Mars, raising the possibility that the planet long thought to be arid could support life today, scientists analyzing data from a NASA spacecraft said on Monday.

Although the source and the chemistry of the water is unknown, the discovery will change scientists' thinking about whether the planet that is most like Earth in the solar system hosts microbial life beneath its radiation-blasted crust.

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