News tagged with extinction event
Researchers reveal ancient origins of modern opossum
Other Sciences / Archaeology & Fossils
Dec 16, 2009 |
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A University of Florida researcher has co-authored a study tracing the evolution of the modern opossum back to the extinction of the dinosaurs and finding evidence to support North America as the center of ...
Late-surviving megafauna exposed by ancient DNA in frozen soil
Dec 15, 2009 |
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Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought. After plucking ancient DNA from frozen soil in ...
New Blow for Dinosaur-Killing Asteroid Theory
Space & Earth / Earth Sciences
Apr 27, 2009 |
4.4 / 5 (29) |
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(PhysOrg.com) -- The enduringly popular theory that the Chicxulub crater holds the clue to the demise of the dinosaurs, along with some 65 percent of all species 65 million years ago, is challenged in a paper ...
Fossil magnetism helps prove mass extinction theory
Space & Earth / Earth Sciences
May 04, 2009 |
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(PhysOrg.com) -- Were major extinction events real biological catastrophes or were they merely the result of gaps in the fossil record? Research by a team of geologists from the Universities of Bristol, Plymouth, ...
Evidence of the 'Lost World' -- did dinosaurs survive the end Cretaceous extinctions?
Other Sciences / Archaeology & Fossils
Apr 28, 2009 |
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The Lost World, Sir Arthur Conan Doyle's account of an isolated community of dinosaurs that survived the catastrophic extinction event 65 million years ago, has no less appeal now than it did when it was written a century ...
Geologic Findings Undermine Theories of Permian Mass Extinction Timing
Space & Earth / Earth Sciences
Mar 02, 2009 |
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(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's ...
Dinosaurs declined before mass extinction
Other Sciences / Archaeology & Fossils
Apr 30, 2009 |
4.1 / 5 (14) |
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Dinosaurs were dying out much earlier than the mass extinction event 65 million years ago, Natural History Museum scientists report in the Proceedings of the Royal Society journal today.
Dino tooth sheds new light on ancient riddle
Other Sciences / Archaeology & Fossils
Jun 29, 2009 |
4.9 / 5 (8) |
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Microscopic analysis of scratches on dinosaur teeth has helped scientists unravel an ancient riddle of what a major group of dinosaurs ate- and exactly how they did it!
Dinosaur-Killer was Soft on Algae
Space & Earth / Earth Sciences
Oct 02, 2009 |
4.3 / 5 (3) |
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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 ...
Canada's shores saved animals from devastating climate change 252 million years ago
Space & Earth / Earth Sciences
Oct 01, 2008 |
4.5 / 5 (26) |
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The shorelines of ancient Alberta, British Columbia and the Canadian Arctic were an important refuge for some of the world's earliest animals, most of which were wiped out by a mysterious global extinction event some 252 ...
