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Rethinking Early Atmospheric Oxygen: Possibility of More Dynamic Biological Oxygen Cycle on Early Earth Than Previously Supposed
April 24, 2013 — Using a quantitative model, a research team of biogeochemists has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere, arguably the most important ... > full story -
Ancient Earth Crust Stored in Deep Mantle
April 24, 2013 — Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New ... > full storyMore: -
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What Planets Are Made Of: Findings Establish Counterintuitive Potential Planet-Forming Materials
April 24, 2013 — Scientists have made a startling prediction that challenges existing chemical models and current understanding of planetary interiors -- magnesium oxide, a major material in the formation of planets, ... > full story -
Ice Tubes in Polar Seas -- 'Brinicles' or 'Sea Stalactites' -- Provide Clues to Origin of Life
April 24, 2013 — Life on Earth may have originated not in warm tropical seas, but with weird tubes of ice -- sometimes called "sea stalactites" -- that grow downward into cold seawater near the Earth's poles, ... > full story -
Iron in Primeval Seas Rusted by Bacteria
April 23, 2013 — Researchers have been able to show for the first time how microorganisms contributed to the formation of the world's biggest iron ore deposits. The biggest known deposits -- in South Africa and ... > full story -
New NASA Satellite Takes the Salton Sea's Temperature
April 22, 2013 — A new NASA image may look like a typical black-and-white image of a dramatic landscape, but it tells a story of temperature. The dark waters of the Salton Sea pop in the middle of the Southern ... > full story -
Geochemical Method Finds Links Between Terrestrial Climate and Atmospheric Carbon Dioxide
April 22, 2013 — Scientists used a new chemical technique to measure the change in terrestrial temperature associated with a major shift in global atmospheric CO2 concentrations nearly 34 million years ago. Their ... > full story -
Measuring the Hazards of Global Aftershock
April 19, 2013 — The entire world becomes an aftershock zone after a massive magnitude (M) 7 or larger earthquake -- but what hazard does this pose around the ... > full story -
Superstorm Sandy Shook the U.S., Literally
April 18, 2013 — When superstorm Sandy turned and took aim at New York City and Long Island last October, ocean waves hitting each other and the shore rattled the seafloor and much of the United States – ... > full story -
Helping to Forecast Earthquakes in Salt Lake Valley
April 17, 2013 — Salt Lake Valley, home to the Salt Lake City segment of the Wasatch fault zone and the West Valley fault zone, has been the site of repeated surface-faulting earthquakes (of about magnitude 6.5 to ... > full story
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