(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 ...
New research may draw a 'curtain of fire' on dinosaur extinction theory
Earth Sciences
Nov 23, 2015
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Millions of years ago, a mountain range that would have dwarfed the Andes mountains in South America, stretched over what is currently the southern-most tip of Africa.
Earth Sciences
Oct 18, 2017
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721
Scientists have discovered the cause of a mass extinction of sea-floor marine organisms 800,000 years ago—which also provides insight into how climate change can impact on deep ocean biota.
Earth Sciences
Jun 17, 2016
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64
Periods of high extinction on Earth, rather than evolutionary adaptations, may have been a key driver in the diversification of amniotes (today's dominant land vertebrates, including reptiles, birds, and mammals), according ...
Evolution
Nov 24, 2015
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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.
Archaeology
Apr 30, 2009
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About 252 million years ago, more than 90 percent of all animal life on Earth went extinct. This event, called the "Permian-Triassic mass extinction," represents the greatest catastrophe in the history of life on Earth. Ecosystems ...
Earth Sciences
Apr 17, 2018
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781
Like a master painter who uses the same brush techniques to continually create original works of art, evolution has produced unique species to fill new or vacated ecological functions by tinkering with just a few basic body ...
Evolution
Mar 4, 2015
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66
Two hundred and fifty-two million years ago, Earth experienced a mass extinction so devastating that it's become known as "the Great Dying." Massive volcanic eruptions triggered catastrophic climate change, killing off nine ...
Paleontology & Fossils
May 22, 2023
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247
While burning coal today causes Earth to overheat, about 300 million years ago, the formation of coal brought the planet close to global glaciation. For the first time, scientists show the massive effect in a study to be ...
Earth Sciences
Oct 9, 2017
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