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San Francisco, 11:05 PM
Sun Dec 27
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How Close Are We To Colonizing Space?
How close are we to long-term human habitation beyond low-Earth orbit? Colonies on the moon or Mars are still many years off, but the good news is there are several serious efforts underway to make it happen. More »Ice Volcanoes of Enceladus Created By Liquid Water Beneath the Moon's Surface?
This image from the Cassini probe shows an ice volcano erupting on the surface of Saturn's moon Enceladus. Scientists have suggested that these volcanoes might come from water beneath the moon's surface, and new evidence makes this theory more plausible. More »Robot Finds Melting Ice on Mars