Earth and Atmospheric Sciences News
New Evidence Ancient Asteroid Caused Global Firestorm On Earth
Posted on March 27, 2013 at 10:59:46 pm
A new look at conditions after a Manhattan-sized asteroid slammed into a region of Mexico in the dinosaur days indicates the event could have triggered a global firestorm that would have burned every twig, bush and tree on Earth and led to the extinction
Megavolcanoes And Pre-Dinosaur Mass Extinction
Posted on March 21, 2013 at 02:50:49 pm
Scientists examining evidence across the world from New Jersey to North Africa say they have linked the abrupt disappearance of half of earth's species 200 million years ago to a precisely dated set of gigantic volcanic eruptions
'Lubricant' for Earth's Tectonic Plates Found
Posted on March 20, 2013 at 04:22:41 pm
Scientists at Scripps Institution of Oceanography at UC San Diego have found a layer of liquefied molten rock in Earth's mantle that may be acting as a lubricant for the sliding motions of the planet's massive tectonic plates
Lost Tectonic Plate Found
Posted on March 20, 2013 at 10:46:54 am
A tectonic plate that disappeared under North America millions of years ago still peeks out in central California and Mexico, new research finds
The Calm Before The Solar Storm?
Posted on March 09, 2013 at 10:27:50 am
NASA warns 'something unexpected is happening to the Sun'
Light Shed On Ancient Origin of Life
Posted on March 07, 2013 at 01:36:23 pm
Researchers discovered important genetic clues about the history of microorganisms called archaea and the origins of life itself in the first ever study of its kind. Results of their study shed light on one of Earth's oldest life forms.
Saharan and Asian Dust, Biological Particles End Global Journey in California
Posted on March 01, 2013 at 06:36:07 pm
A field study of aerosol impacts on clouds and precipitation in the Sierra Nevada shows that dust and microorganisms transported from as far away as the Sahara desert help to spur the precipitation that California counts on for its water supply
Evolution and the Ice Age
Posted on March 01, 2013 at 01:00:12 pm
Dr John Stewart has made important contributions to a growing body of work that shows how the evolution of ecosystems has to be taken into account when speculating between different geological eras
Fragments of Continents Hidden Under Lava
Posted on February 24, 2013 at 06:18:15 pm
The islands Reunion and Mauritius, both well-known tourist destinations, are hiding a micro-continent, which has now been discovered
A War Without End, With Earth's Carbon Cycle Held in the Balance
Posted on February 13, 2013 at 03:25:10 pm
The greatest battle in Earth's history has been going on for hundreds of millions of years -- it isn't over yet -- and until now no one knew it existed, scientists reported Feb. 13 in the journal Nature.