An international team of researchers has found evidence that suggests atmospheric CO2 levels at the end of the Triassic era were nearly the same as those predicted for the 21st century. In their paper published in the journal ...
(PhysOrg.com) -- New fossil localities from North Dakota and Montana have produced the remains of a turtle that survived the 65 million-year-old meteorite impact that wiped out the dinosaurs. The resulting study, published ...
Archaeology
Jul 12, 2011
1
0
(PhysOrg.com) -- Scientists have debated how many mass extinction events in Earth's history were triggered by a space body crashing into the planet's surface. Most agree that an asteroid collision 65 million years ago brought ...
Space Exploration
Jul 30, 2009
14
0
A study led by The University of Texas at Austin is providing a glimpse into dinosaur and bird diversity in Patagonia during the Late Cretaceous, just before the non-avian dinosaurs went extinct.
Paleontology & Fossils
Jan 12, 2023
0
172
(Phys.org) -- Evidence used to support a possible extraterrestrial impact event is likely the result of natural processes, according to a new collaborative study led by U.S. Geological Survey scientists.
Earth Sciences
Apr 23, 2012
3
0
Mass extinctions throughout the history of the Earth have been well documented. Scientists believe that such extinctions occurred during a short period of time in geological terms. In a new study, palaeobiologists at Friedrich-Alexander-Universität ...
Earth Sciences
Mar 28, 2018
0
67
In the past half-billion years, Earth has been hit again and again by mass extinctions, wiping out most species on the planet. And every time, life recovered and ultimately went on to increase in diversity.
Evolution
Sep 16, 2019
2
377
A study that examined the shape of hundreds of fossilized shark teeth suggests that modern shark biodiversity was triggered by the end-Cretaceous mass extinction event, about 66 million years ago.
Archaeology
Aug 2, 2018
0
114
(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 history.
Earth Sciences
Mar 2, 2009
3
1
Global climate change, fueled by skyrocketing levels of atmospheric carbon dioxide, is siphoning oxygen from today's oceans at an alarming pace—so fast that scientists aren't entirely sure how the planet will respond.
Earth Sciences
Jun 11, 2018
6
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