Amazon S3 on MSN
Ancient Earth may have been a purple planet, not green
Life on ancient Earth may have reflected red and purple light, suggesting the planet was once dominated by purple organisms.
Space.com on MSN
Jupiter's moon Europa has an ice shell about 18 miles thick — and that could be bad news for alien life
Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...
11hon MSN
Is this where aliens are hiding? NASA discovers an exoplanet that's remarkably similar to Earth
Dubbed HD 137010 b, the planet might fall just within the outer edges of its star's 'habitable zone', meaning there could be ...
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