(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Joel S. Levine, William & Mary (THE CONVERSATION) Finding life beyond the Earth would ...
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Scientists Thought They Had Spotted Flowing Water on Mars. It Turned Out to Be Something Else Entirely.
Images sent back by NASA's Viking spacecraft in the 1970s revealed some unusual streaks stretching across the arid landscapes of Mars. The sighting had scientists excited about the possibility of free ...
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