Web edition: February 4, 2013
The first confirmation of alien life might come not from a distant planet, but from a far-flung moon.
Planet hunters have identified hundreds of exoplanets, or planets outside our solar system. So far, none seem to support life as we know it. Most of those worlds are too big and too hot; some are too cold. But many would likely have moons. And just the right moon could be a cradle of alien life, concludes a pair of astronomers.
A. Grant. Life has prospects on moons of giant extrasolar planets. Science News. Vol. 183. January 18, 2013, p. 5. Available online: [Go to]