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Seasonal thawing of dry ice `causing changes to Martian surface`

Last Updated: Friday, January 25, 2013, 12:34

Researchers using NASA`s Mars Reconnaissance Orbiter see seasonal changes on far-northern Martian sand dunes caused by warming of a winter blanket of frozen carbon dioxide.

Doubts cast over dominant theories of moon formation

Last Updated: Thursday, August 30, 2012, 14:11

A new study by researchers from the University of Bern, Switzerland, proposes a new perspective on how the moon was formed.