A rare celestial event will be taking place in the sky above California on Saturday night, as six planets are expected to be visible in what is being called a "planetary parade." ...
NASA has severe penalties for those who dare to deal in astromaterials.
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Giant string of organic molecules on Mars may be one of the best signs of life yet
A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.
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