(PhysOrg.com) -- In the Late Ordovician Period of Earth's geologic history, about 450 million years ago, more than 75 percent of marine species perished and Earth scientists have been seeking to discover what caused the extinction. ...
Earth Sciences
Feb 18, 2011
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Antonio Simonetti, a research associate professor in the Department of Civil Engineering and Geological Sciences at the University of Notre Dame, is the coauthor of an important new paper describing a novel method for age ...
Archaeology
Feb 16, 2011
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A sobering new report warns that oceans face a "fundamental and irreversible ecological transformation" not seen in millions of years as greenhouse gases and climate change already have affected temperature, acidity, sea ...
Environment
Jul 5, 2010
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Is our Sun part of a binary star system? An unseen companion star, nicknamed 'Nemesis,' may be sending comets towards Earth. If Nemesis exists, NASA's new WISE telescope should be able to spot it.
Astronomy
Mar 11, 2010
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A growing number of scientists are merging methods and results from different disciplines to extract new meaning from old data, says a team of researchers in a recent issue of Evolution.
Evolution
Jan 11, 2010
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The asteroid impact that many researchers claim was the cause of the dinosaur die-off was bad news for marine life at the time as well. But new research shows that microalgae - one of the primary producers in the ocean - ...
Earth Sciences
Oct 2, 2009
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Researchers at the Evolution & Diversity Dynamics Lab at the University of Liège (Belgium) have proposed a new definition of the geological boundary between the Devonian and Carboniferous periods (359 million years). This ...
Earth Sciences
Jul 7, 2021
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About 466 Mya, a major impact event took place between the orbits of Mars and Jupiter. Space dust spread all across the Solar System, and some of it was found near Saint Petersburg, Russia, and in the south of Sweden. An ...
Archaeology
Oct 3, 2019
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The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) issued a dire diagnosis Friday of Earth's plant and animal species.
Ecology
Mar 23, 2018
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The end-Permian mass extinction (EPME) occurred about 250 million years ago and represents the Earth's most catastrophic extinction event. Up to 96% of marine species and 70% of terrestrial vertebrate species went extinct, ...
Archaeology
Aug 24, 2017
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