(Phys.org) —Researchers from Dartmouth College in the U.S. as part of their presentation at the 44th Lunar and Planetary Science Conference this past week, have given evidence that suggests it was a comet that struck the ...
The recent meteor explosion over Chelyabinsk brought to the forefront a topic that has worried astronomers for years, namely that an impactor from space could cause widespread human fatalities. Indeed, the thousand+ injured ...
Space Exploration
Mar 8, 2013
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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. Go back to the time of ...
Evolution
Feb 26, 2013
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An international team of researchers has reconstructed the common ancestor of placental mammals—an extremely diverse group including animals ranging from rodents to whales to humans—using the world's largest dataset of ...
Archaeology
Feb 7, 2013
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A University of Utah seismologist analyzed seismic waves that bombarded Earth's core, and believes he got a look at the earliest roots of Earth's most cataclysmic kind of volcanic eruption. But don't worry. He says it won't ...
Earth Sciences
Feb 7, 2013
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University of Alberta researchers used fossilized teeth to identify at least 23 species of small meat-eating dinosaurs that roamed western Canada and the United States, 85 to 65 million years ago.
Archaeology
Jan 23, 2013
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(Phys.org)—The chance discovery of a 100 million year old fossil forest on an island east of New Zealand has unlocked new insights on ancient life close to the South Pole.
Archaeology
Dec 27, 2012
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Scientists have developed a new approach for evaluating past climate sensitivity data to help improve comparison with estimates of long-term climate projections developed by the Intergovernmental Panel on Climate Change (IPCC).
Environment
Nov 28, 2012
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They aren't your grandpa's dinosaurs. Feathered, far-flung and far more complicated, dinosaurs as revealed by today's technology look quite unlike the dumpy denizens of old-time dioramas.
Archaeology
Nov 19, 2012
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An international team of researchers, including Carnegie Museum of Natural History scientist John Wible, has resolved the evolutionary relationships of Necrolestes patagonensis, whose name translates into "grave robber," ...
Archaeology
Nov 19, 2012
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