News tagged with geoscience
Massive volcanoes, meteorite impacts delivered one-two death punch to dinosaurs: study
(PhysOrg.com) -- A cosmic one-two punch of colossal volcanic eruptions and meteorite strikes likely caused the mass-extinction event at the end of the Cretaceous period that is famous for killing the dinosaurs ...
Space & Earth / Earth Sciences
Nov 17, 2011 |
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Methane may be answer to 56-million-year question
(PhysOrg.com) -- The release of massive amounts of carbon from methane hydrate frozen under the seafloor 56 million years ago has been linked to the greatest change in global climate since a dinosaur-killing ...
Space & Earth / Earth Sciences
Nov 09, 2011 |
4.9 / 5 (21) |
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Black hole, star collisions may illuminate universe's dark side
Scientists looking to capture evidence of dark matter -- the invisible substance thought to constitute much of the universe -- may find a helpful tool in the recent work of researchers from Princeton University ...
Sep 19, 2011 |
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Scientists develop breakthrough method for crystal structure prediction
(PhysOrg.com) -- Stony Brook University Professor of Geosciences and Physics, Artem Oganov, along with several colleagues, appears to have solved the long-standing mystery of excessive heat on the planet Neptune. ...
Jan 05, 2011 |
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Bering Strait influenced ice age climate patterns worldwide
In a vivid example of how a small geographic feature can have far-reaching impacts on climate, new research shows that water levels in the Bering Strait helped drive global climate patterns during ice age ...
Space & Earth / Earth Sciences
Jan 10, 2010 |
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Mystery Solved: Marine Microbe Is Source of Rare Nutrient
(PhysOrg.com) -- A new study of microscopic marine microbes, called phytoplankton, by researchers at Woods Hole Oceanographic Institution (WHOI) and the University of South Carolina has solved a ten-year-old ...
Space & Earth / Earth Sciences
Sep 29, 2009 |
4.8 / 5 (23) |
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Sichuan quake was once-in-4,000-year event: scientists
People who were killed, injured or bereaved in the 2008 Sichuan earthquake had the cruel misfortune to be victims of an event that probably occurs just once in four millennia, seismologists said on Sunday.
Space & Earth / Earth Sciences
Sep 27, 2009 |
3.8 / 5 (5) |
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Global warming: Our best guess is likely wrong
No one knows exactly how much Earth's climate will warm due to carbon emissions, but a new study this week suggests scientists' best predictions about global warming might be incorrect.
Space & Earth / Earth Sciences
Jul 14, 2009 |
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Microfossils challenge prevailing views of the effects of 'Snowball Earth' glaciations on life
New fossil findings discovered by scientists at UC Santa Barbara challenge prevailing views about the effects of "Snowball Earth" glaciations on life, according to an article in the June issue of the journal ...
Space & Earth / Earth Sciences
May 26, 2009 |
3.9 / 5 (16) |
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Atmospheric lead causes clouds to form more easily, could change pattern of rain and snow
(PhysOrg.com) -- By sampling clouds -- and making their own -- researchers have shown for the first time a direct relation between lead in the sky and the formation of ice crystals that foster clouds. The ...
Space & Earth / Earth Sciences
Apr 19, 2009 |
4.6 / 5 (8) |
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Solomon Islands earthquake sheds light on enhanced tsunami risk
The 2007 Solomon Island earthquake may point to previously unknown increased earthquake and tsunami risks because of the unusual tectonic plate geography and the sudden change in direction of the earthquake, ...
Space & Earth / Earth Sciences
Apr 09, 2009 |
4.4 / 5 (11) |
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How Martian winds make rocks walk
Rocks on Mars are on the move, rolling into the wind and forming organized patterns, according to new research.
Space & Earth / Space Exploration
Jan 08, 2009 |
4.8 / 5 (5) |
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Dawn spacecraft reveals secrets of giant asteroid Vesta
(Phys.org) -- Findings from NASA's Dawn spacecraft reveal new details about the giant asteroid Vesta, including its varied surface composition, sharp temperature changes and clues to its internal structure. ...
Space & Earth / Space Exploration
Apr 26, 2012 |
4.4 / 5 (7) |
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Cassini sees objects blazing trails in Saturn ring
(Phys.org) -- Scientists working with images from NASA's Cassini spacecraft have discovered strange half-mile-sized (kilometer-sized) objects punching through parts of Saturn's F ring, leaving glittering trails ...
Space & Earth / Space Exploration
Apr 24, 2012 |
5 / 5 (5) |
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No ice loss seen in major Himalayan glaciers: scientists
One of the world's biggest glacier regions has so far resisted global warming that has ravaged mountain ice elsewhere, scientists reported on Sunday.
Apr 15, 2012 |
4.5 / 5 (13) |
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