News tagged with geochimica et cosmochimica acta
Frozen comet had a watery past, scientists find
For the first time, scientists have found convincing evidence for the presence of liquid water in a comet, shattering the current paradigm that comets never get warm enough to melt the ice that makes up the ...
Space & Earth / Space Exploration
Apr 05, 2011 |
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New Study of Meteorite Provides More Evidence for Ancient Life on Mars
(PhysOrg.com) -- In 1996, when scientists examined a meteorite from Mars previously uncovered in Antarctica, they were intrigued by what looked like microscopic fossils of ancient Martian life forms. Now, ...
Space & Earth / Space Exploration
Dec 17, 2009 |
4.8 / 5 (47) |
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Search results for geochimica et cosmochimica acta
Researcher finds key to ancient weather patterns in Florida's caves
(PhysOrg.com) -- Darrel Tremaine has been known to go to extremes for his research, such as crawling on his hands and knees through a dark, muddy limestone cave in Northwest Florida to learn more about the ...
Space & Earth / Earth Sciences
Dec 06, 2011 |
4 / 5 (2) |
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Sugar-grain sized meteorites rocked the climates of early Earth and Mars
Bombardments of 'micro-meteorites' on Earth and Mars four billion years ago may have caused the planets' climates to cool dramatically, hampering their ability to support life, according to research published today in the ...
Space & Earth / Space Exploration
Apr 02, 2011 |
3.5 / 5 (4) |
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Unlocking the past with the West Runton Elephant
(PhysOrg.com) -- Researchers from the University of York and Manchester have successfully extracted protein from the bones of a 600,000 year old mammoth, paving the way for the identification of ancient fossils.
Other Sciences / Archaeology & Fossils
Mar 30, 2011 |
4.8 / 5 (6) |
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Green sludge can protect groundwater from radioactive contamination
Radioactive waste decaying down at the dump needs millions of years to stabilize. The element Neptunium, a waste product from uranium reactors, could pose an especially serious health risk should it ever seep ...
Mar 17, 2011 |
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Geologists revisit the Great Oxygenation Event
In "The Sign of the Four" Sherlock Holmes tells Watson he has written a monograph on 140 forms of cigar-, cigarette-, and pipe-tobacco, "with colored plates illustrating the difference in the ash." He finds ...
Space & Earth / Earth Sciences
Aug 19, 2010 |
4.9 / 5 (16) |
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Discovery of a type of aerosols from Sahara which will be useful to study climate change
Scientists of the Soil Science and Geopharmacy Research Group of the University of Granada (Spain), directed by Rafael Delgado, have discivered and characterized a new type of atmospheric aerosols named 'iberulites', ...
Space & Earth / Earth Sciences
Oct 03, 2008 |
4 / 5 (3) |
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Mars air once had moisture
A new analysis of Martian soil data led by University of California, Berkeley, geoscientists suggests that there was once enough water in the planet's atmosphere for a light drizzle or dew to hit the ground, ...
Space & Earth / Space Exploration
Jun 25, 2008 |
4.1 / 5 (24) |
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Carbon study could help reduce harmful emissions
Earth scientists at The University of Manchester have found that carbon dioxide has been naturally stored for more than a million years in several gas fields in the Colorado Plateau and Rocky Mountains of the United States.
Space & Earth / Earth Sciences
Feb 14, 2008 |
1.5 / 5 (4) |
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Lunar rocks suggest meteorite shower
New age measurements of lunar rocks returned by the Apollo space missions have revealed that a surprising number of the rocks show signs of melting about 3.9 billion years ago, suggesting that the moon – and ...
Apr 12, 2006 |
4.9 / 5 (10) |
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List of search results for geochimica et cosmochimica acta
