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.
Space Exploration
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 a detailed compositional ...
Space Exploration
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. In these rocks, ...
Earth Sciences
Nov 9, 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 of surface ...
Space Exploration
Oct 2, 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 deserve their ...
Astronomy
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.
Space Exploration
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 of this event ...
Earth Sciences
Jan 9, 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 in Nature on ...
Space Exploration
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 ...
Earth Sciences
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 formed and its ...
Earth Sciences
Feb 24, 2010
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