A decline in the element molybdenum across the planet's oceans preceded a significant extinction event approximately 183 million years ago, new research from Florida State University shows.
Earth Sciences
Nov 22, 2022
1
227
Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought.
Evolution
Nov 17, 2022
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193
Determining what killed the dinosaurs 66 million years ago at the end of the Cretaceous Period has long been the topic of debate, as scientists set out to determine what caused the five mass extinction events that reshaped ...
Earth Sciences
Sep 12, 2022
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376
At the end of the Permian Period, approximately 250 million years ago, more than 80 percent of all maritime species became extinct after volcanic eruptions in Siberia released huge quantities of greenhouse gases and caused ...
Paleontology & Fossils
Sep 6, 2022
1
52
A previously overlooked factor—the position of continents—helps fill Earth's oceans with life-supporting oxygen. Continental movement could ultimately have the opposite effect, killing most deep ocean creatures.
Earth Sciences
Aug 17, 2022
2
641
Researchers investigating rocks in India have found chemical evidence of a series of rapid fluctuations in climate during the greatest known mass extinction event, around 252 million years ago. Michael Brookfield at the University ...
Earth Sciences
Jul 7, 2022
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73
Researchers at University College Cork (UCC) and the Swedish Museum of Natural History examined the end-Permian mass extinction (252 million years ago) that eliminated almost every species on Earth, with entire ecosystems ...
Earth Sciences
Jun 30, 2022
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160
What turned Venus into hell? It could have simply been a steadily warming sun, but new research suggests that volcanoes may have played a role in creating a runaway greenhouse effect. And the same history of active Volcanism ...
Planetary Sciences
May 9, 2022
5
32
Curtin research has revealed that soil erosion and wildfires contributed to a mass extinction event 201 million years ago that ended the Triassic era and paved the way for the rise of dinosaurs in the Jurassic period.
Earth Sciences
Mar 21, 2022
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39
Palaeobiologists from the University of Tübingen have described a previously unknown turtle species that lived in what is now Romania some 70 million years ago. The reptile, measuring 19 cm in length, has no close relatives ...
Paleontology & Fossils
Mar 2, 2022
0
553
