(Phys.org) —Semi-precious minerals found in a bucket of sand from an island nation have cracked open a clue to the drifting movements and break-up of ancient Earth's massive continental plates.
May 16, 2013
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Tiny 1,900 million-year-old fossils from rocks around Lake Superior, Canada, give the first ever snapshot of organisms eating each other and suggest what the ancient Earth would have smelled like.
Apr 29, 2013
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(Phys.org) —Researchers from the University of Tübingen 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 ...
Apr 25, 2013
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(Phys.org) —Geology professor Dan Schulze calls this singular gem from the remote Guaniamo region of Venezuela the "Picasso" diamond. The blue luminescent, high-resolution image of a diamond formed over ...
Apr 18, 2013
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A new model suggests that inhospitable hydrodgen-sulphide rich waters could have delayed the spread of complex life forms in ancient oceans.
Feb 28, 2013
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(Phys.org)—Earth's most recent shift to a warm climate began with intense summer sun in the Northern Hemisphere, the first pressure on a seesaw that tossed powerful forces between the planet's poles until ...
Feb 07, 2013
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(Phys.org)—Researchers at Western University have discovered where the equator was "precisely located" 450 million years ago, which is an important breakthrough for paleontologists and planetary scientists, ...
Dec 17, 2012
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(Phys.org) -- We're familiar with the theory that the Earth's crust is composed of tectonic plates that move, sometimes dramatically to create earthquakes and tsunamis - but until recently, nobody knew how ...
May 31, 2012
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In ancient Earth history, the sun burned as much as 30 percent dimmer than it does now. Theoretically that should have encased the planet in ice, but there is geologic evidence for rivers and ocean sediments ...
Mar 28, 2012
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Researchers are moving a step closer to solving one of the greatest murder mysteries of all time. It happened roughly 200 million years ago, marking the boundary between the Triassic and Jurassic periods, ...
Dec 16, 2011
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Scientists in the New York Center for Astrobiology at Rensselaer Polytechnic Institute have used the oldest minerals on Earth to reconstruct the atmospheric conditions present on Earth very soon after its birth. The findings, ...
Nov 30, 2011
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(PhysOrg.com) -- For hundreds, if not thousands of years, researchers of one kind or another have dug into the earth in search of clues to help explain our past. In so doing they have found evidence of ancient peoples that ...
Nov 09, 2011
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Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making ...
Oct 24, 2011
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Google Earth software has been downloaded more than one billion times, and that stellar achievement was marked Wednesday with a website showcasing ways the interactive replica of the planet is used.
Oct 05, 2011
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Geological history has periodically featured giant lava eruptions that coat large swaths of land or ocean floor with basaltic lava, which hardens into rock formations called flood basalt. New research from Matthew Jackson ...
Jul 27, 2011
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