The Hills Have Ice... on Mars, That Is
Discovery.com 6:24 pm ET (2324 GMT)
Mars: the finality of the frontier.
The Herald 8:25 am ET (1325 GMT)
Why on earth would I go to Mars?
Mail and Guardian 6:09 am ET (1109 GMT)
Mars hills hide icy past
ESA 9:30 pm ET (0230 GMT)
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