A team of researchers from several institutions in France and China has found evidence that some of the earliest creatures to walk on land likely emerged from estuaries or deltas. In their paper published in the journal Nature, ...
For decades, scientists have conducted research centered around the five major mass extinctions that have shaped the world we live in. The extinctions date back more than 450 million years with the Late Ordovician Mass Extinction ...
Earth Sciences
May 21, 2018
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Homo sapiens, Neanderthals and other recent human relatives may have begun hunting large mammal species down to size - by way of extinction - at least 90,000 years earlier than previously thought, says a new study published ...
Ecology
Apr 19, 2018
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500
A team of researchers from several institutions across the U.S. has found evidence suggesting that there was an explosion of diversity in fish after the end-Cretaceous mass extinction. In their paper published in the journal ...
A record of volcanism preserved along ancient mid-ocean ridges provides evidence for heightened worldwide magmatic activity 66 million years ago just after the Chicxulub meteor struck Earth, according to University of Oregon ...
Earth Sciences
Feb 7, 2018
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270
The Tasmanian tiger was doomed long before humans began hunting the enigmatic marsupial, scientists said Tuesday, with DNA sequencing showing it was in poor genetic health for thousands of years before its extinction.
Plants & Animals
Dec 12, 2017
0
293
In the past 540 million years, the Earth has endured five mass extinction events, each involving processes that upended the normal cycling of carbon through the atmosphere and oceans. These globally fatal perturbations in ...
Earth Sciences
Sep 20, 2017
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The mass extinction that obliterated three-fourths of life on Earth, including non-avian dinosaurs, set the stage for the swift rise of frogs, a new study shows.
Evolution
Jul 3, 2017
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343
In 2016, researchers published "slam dunk" evidence, based on iron-60 isotopes in ancient seabed, that supernovae buffeted the Earth—one of them about 2.6 million years ago. University of Kansas researcher Adrian Melott, ...
Astronomy
May 11, 2017
2
489
(Phys.org)—Paleontologist and evolutionary biologist Steven Stanley of the University of Hawaii has challenged the notion that the Permian-Triassic mass extinction event 252 million years ago killed off up to 96 percent ...
