(Phys.org) —It's a pressing question: How will the Earth's climate respond to future increases in atmospheric carbon dioxide (CO2)? Throughout geologic history, evidence of rapid, large-scale increases ...
Apr 04, 2013
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(Phys.org) —NASA and international researchers have discovered that Earth's moon has more in common than previously thought with large asteroids roaming our solar system.
Mar 25, 2013
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More than 200 million years ago, a massive extinction decimated 76 percent of marine and terrestrial species, marking the end of the Triassic period and the onset of the Jurassic. This devastating event cleared ...
Mar 22, 2013
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The Field Museum has acquired six pieces of an extremely important Martian meteorite that was hurled into space about 700,000 years ago when Mars collided with an asteroid.
Feb 11, 2013
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With both x-ray and gamma-ray spectrometers, the MErcury Surface, Space ENvironment, GEochemistry and Ranging probe (MESSENGER), which entered orbit around Mercury in 2011, is well equipped for carrying out ...
Jan 29, 2013
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(Phys.org)—Rocks dating back 3.4 billion years from south-west Greenland's Isua mountain range have yielded valuable information about the structure of the Earth during its earliest stages of development. ...
Nov 09, 2012
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(Phys.org)—New data from the X-Ray Spectrometer (XRS) on the MESSENGER spacecraft—one of two instruments designed to measure the abundances of many key elements on Mercury—show variations in the composition ...
Oct 02, 2012
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(Phys.org)—Exoplanet hunters estimate that there could be billions of super-Earths—planets with a mass of up to ten times that of Earth—orbiting stars in the Milky Way alone. But do super-Earths really ...
Sep 25, 2012
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As the director of the University of New Mexico's Institute of Meteoritics, Carl Agee gets tons of calls, packages and emails from people claiming to have had the rare experience of actually finding a meteorite.
Jul 15, 2012
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Around 250 million years ago, at the end of the Permian geologic period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth's history. Although the cause ...
Jan 09, 2012
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Earth's Moon could be younger than previously thought, according to new research from a team that includes Carnegie's Richard Carlson and former-Carnegie fellow Maud Boyet. Their work will be published online ...
Aug 17, 2011
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Scientists have discovered a new window into the Earth's violent past. Geochemical evidence from volcanic rocks collected on Baffin Island in the Canadian Arctic suggests that beneath it lies a region of the Earth's mantle ...
Aug 11, 2010
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(PhysOrg.com) -- A new geological study which took place in the Pilbara region of Western Australia brings us one step closer to understanding more precisely the timing of when the primordial earth crust was ...
Feb 24, 2010
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