A strangely shaped depression on Mars could be a new place to look for signs of life on the Red Planet, according to a study. The depression was probably formed by a volcano beneath a glacier and could have been a warm, chemical-rich environment well suited for microbial life.

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A strangely shaped depression on Mars could be a new place to look for signs of life on the Red Planet, according to a study. The depression was probably formed by a volcano beneath a glacier and could have been a warm, chemical-rich environment well suited for microbial life.