Comet ISON 2013
Radiation doubles to new high in No. 1 plant water ditch...
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30 Unique And Must-See Photos From Our Past
Useless machine advanced edition
UK scientists convinced they've found extraterrestrial life...
Yosemite Panorama Pictures
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Scientists Discover That Mars is Full of Water
After looking closely at a pair of meteorites that originated on Mars, researchers now believe the planet likely holds vast reservoirs of water deep underground