Related topics: mars · nasa · european space agency · liquid water · moon

Peculiar 'cauliflower rocks' may hold clues to ancient Mars life

Evidence of water and a warmer, wetter climate abound on Mars, but did life ever put its stamp on the Red Planet? Rocks may hold the secret. Knobby protuberances of rock discovered by the Spirit Rover in 2008 near the rock ...

Mars compared to Earth

At one time, astronomers believed the surface of Mars was crisscrossed by canal systems. This in turn gave rise to speculation that Mars was very much like Earth, capable of supporting life and home to a native civilization. ...

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