Meteorite May Reveal Clues about Life on Mars

They're not only gorgeous, but these colorful microscopic minerals from a slice of a meteorite, may even reveal whether Mars once had sustained life:

... the team found mineral and chemical signatures on the rocks that indicated terrestrial weathering – changes that took place on Earth. The identification of these types of changes will provide valuable clues as scientists continue to examine the meteorites.

“Our contribution is to provide additional depth and a little broader view than some work has done before in sorting out those two kinds of water-related alterations – the ones that happened on Earth and the ones that happened on Mars,” Velbel said.

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