(Phys.org)—Given that over 20 trillion cubic meters of natural gas, a third of the United States' total reserves, are thought to be trapped in shale, and given the rush to exploit shale oil and gas resources by Australia, ...
General Physics
Jan 4, 2013
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(Phys.org)—A new study co-authored by the Georgia Institute of Technology indicates that clay minerals, rocks that usually form when water is present for long periods of time, cover a larger portion of Mars than previously ...
Space Exploration
Dec 20, 2012
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(Phys.org)—The latest work assignment for NASA's long-lived Mars rover Opportunity is a further examination of an area where the robot just completed a walkabout.
Space Exploration
Dec 4, 2012
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There are easier places to make wine than the spectacular, desolate landscapes of southeast Turkey, but DNA analysis suggests it is here that Stone Age farmers first domesticated the wine grape.
Other
Nov 27, 2012
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(Phys.org)—Ancient Mars, like Earth today, was a diverse planet shaped by many different geologic processes. So when scientists, using rovers or orbiting spacecraft, detect a particular mineral there, they must often consider ...
Space Exploration
Sep 12, 2012
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Instead of a warm, wet and possibly life-bearing planet as some scientists contend, early Mars may have been a hostile and volatile place with frequent volcanic outbursts, a study said Sunday.
Space Exploration
Sep 9, 2012
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Meanwhile, back in Meridiani Planum … the Opportunity rover keeps on trucking, and has now exceeded over 35 kilometers (21.75 miles) of driving on its odometer! Quite an accomplishment for the Energizer Bunny of Mars rovers, ...
Space Exploration
Sep 3, 2012
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Once again, science and anthropology have teamed up to solve questions concerning the fascinating, brilliantly hued pigment known as Maya Blue. Impervious to the effects of chemical or physical weathering, the pigment was ...
Archaeology
Apr 2, 2012
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Mars was once a much wetter world than it is now, with hot springs, rivers, lakes and perhaps even oceans. Just how wet exactly, and for how long, is still a subject of considerable debate. One vital clue comes from clay ...
Space Exploration
Mar 16, 2012
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(PhysOrg.com) -- A new NASA study suggests if life ever existed on Mars, the longest lasting habitats were most likely below the Red Planet's surface.
Space Exploration
Nov 2, 2011
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