* Astronomy

Cold Storage for Alien Organisms
The Moon fascinates us. The only world other than Earth upon which humans have set foot, we know a remarkable amount about it, yet countless mysteries remain. One theory, presented at Europlanet's latest Planetary Science Congress by Joop Houtkooper from the University of Giessen, suggests that conditions in some lunar craters may be perfect for preserving samples of life from Earth and maybe even Mars.

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