A 10-person committee charged with reviewing the future of U.S. human spaceflight will hold its first public meeting today, beginning a process that must cover a lot of territory in very little time.

The independent panel of experts will examine NASA’s Constellation Program, which plans to send humans to the International Space Station (ISS), the moon, and possibly Mars, and will consider alternatives to options already on the table.

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In an unprecedented scientific endeavor–and what may be one of the coolest space missions ever–NASA is preparing to fly a rocket booster into the moon, triggering a six-mile-high explosion that scientists hope will confirm the presence of water.

The four-month mission of the Lunar Crater Observation and Sensing Satellite (LCROSS), which will be directed from NASA’s Ames Research Center at Moffett Field, is to discover whether water is frozen in the perpetual darkness of craters near the moon’s south pole.

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Just by gazing at the stars, earthling astronomers might have unwittingly picked up broadcasts from extraterrestrial civilizations. So says a neutrino physicist, adding that it might take researchers just a few months of searching to find evidence of this alien Internet.

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People got very excited in 2004 when NASA’s rover Opportunity discovered evidence that Mars had once been wet. Where there is water, there may be life. … What could be more fascinating than discovering life that had evolved entirely independently of life here on Earth? Many people would also find it heartening to learn that we are not entirely alone in this vast, cold cosmos. But I hope that our Mars probes discover nothing. It would be good news if we find Mars to be sterile. Dead rocks and lifeless sands would lift my spirit.

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