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Does Mars’s Interior Have More Water Than Previously Thought?

Published in Geology magazine, a recent study indicates that Mars’s mantle contains approximately as much water as Earth’s mantle. “The research was led by former Carnegie postdoctoral scientist Francis McCubbin, now at the University of New Mexico. The analysis was performed by Carnegie Institution investigator Erik Hauri and team.” By analyzing two meteorites that originated…

How Would We Get Humans to Mars?

In July, the final shuttle, STS-135, landed, and the U.S. had no next-generation vehicle waiting on a nearby launchpad. The planned Constellation program has been killed, so U.S. astronauts must rely on the Russian Soyuz craft or possibly commercial craft to get to the International Space Station until the next vehicle is ready. Although NASA…