A new reconstruction of Antarctic ocean temperatures around the time the dinosaurs disappeared 66 million years ago supports the idea that one of the planet's biggest mass extinctions was due to the combined effects of volcanic ...
Earth Sciences
Jul 5, 2016
6
356
It's a familiar story—the mighty dinosaurs dominated their prehistoric environment, while tiny mammals took a backseat, until the dinosaurs (besides birds) went extinct 66 million years ago, allowing mammals to shine. Just ...
Archaeology
Jun 7, 2016
10
907
Periodic mass extinctions on Earth, as indicated in the global fossil record, could be linked to a suspected ninth planet, according to research published by a faculty member of the University of Arkansas Department of Mathematical ...
Astronomy
Mar 30, 2016
115
3992
(Phys.org)—A trio of researchers, two with Stanford University in the U.S. and the third with Meiji University in Japan has created a model that showed that it might be possible that the Neanderthal extinction that occurred ...
New research may draw a 'curtain of fire' on dinosaur extinction theory
Earth Sciences
Nov 23, 2015
2
886
(Phys.org)—A team of researchers with members from Germany, Canada and Russia has conducted a DNA analysis of two molars found in the Denisova caves in Siberia shedding more light on the origins of the Denisovans—a hominin ...
When times are good, it pays to be the big fish in the sea; in the aftermath of disaster, however, smaller is better.
Earth Sciences
Nov 12, 2015
2
687
Radiocarbon analysis of the decline and extinction of large mammals in the Americas lends support to the idea that hunting by humans led to the animals' demise—and backs the generally accepted understanding of when humans ...
Archaeology
Oct 26, 2015
1
788
Berkeley geologists have uncovered compelling evidence that an asteroid impact on Earth 66 million years ago accelerated the eruptions of volcanoes in India for hundreds of thousands of years, and that together these planet-wide ...
Earth Sciences
Oct 1, 2015
16
1063
As the planet faces the dawn of a sixth mass extinction, scientists are searching for clues about the uncertain road ahead by exploring how ancient ecosystems collapsed and bounced back from traumatic upheavals. A new study ...
Archaeology
Oct 1, 2015
1
752
