(Phys.org) —A combined NASA and European Space Agency (ESA)-funded study has found firm evidence that nitrogen in the atmosphere of Saturn's moon Titan originated in conditions similar to the cold birthplace of the most ...
Space Exploration
Jun 24, 2014
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A team of scientists has successfully identified the age of 120,000-year-old Antarctic ice using radiometric krypton dating – a new technique that may allow them to locate and date ice that is more than a million years ...
Earth Sciences
Apr 21, 2014
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(Phys.org) —Geologists who analyzed 40 meteorites that fell to Earth from Mars unlocked secrets of the Martian atmosphere hidden in the chemical signatures of these ancient rocks. Their study, published April 17 in the ...
Space Exploration
Apr 16, 2014
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An international team of scientists has discovered new relationships between deep-sea temperature and ice-volume changes to provide crucial new information about how the ice ages came about.
Earth Sciences
Apr 16, 2014
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(Phys.org) —A lot can happen to a rock over the course of two and a half billion years. It can get buried and heated; fluids remove some of its minerals and precipitate others; its chemistry changes. So if you want to use ...
Earth Sciences
Apr 11, 2014
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Researchers have discovered that microscopic "bubbles" developed at Kansas State University are safe and effective storage lockers for harmful isotopes that emit ionizing radiation for treating tumors.
Biochemistry
Apr 2, 2014
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(Phys.org) —A team of researchers with the U.S. Geological Survey has found that a large amount of ancient helium is constantly being released in Yellowstone National Park—the result, they suggest in their paper published ...
Oxygen in the atmosphere and ocean rose dramatically about 600 million years ago, coinciding with the first proliferation of animal life. Since then, numerous short lived biotic events—typically marked by significant climatic ...
Earth Sciences
Oct 28, 2013
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Cosmochemists have solved a long standing mystery in the formation of the solar system: Oxygen, the most abundant element in Earth's crust, follows a strange, anomalous pattern in the oldest, most pristine rocks, one that ...
Earth Sciences
Oct 24, 2013
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(Phys.org) —A combined team of researchers from Lawrence Livermore National Laboratory and Arizona State University has found isotopic evidence of a supernova inside of a meteorite that fell to Earth in 1969. In their paper ...
