Mass extinctions occurring over the past 260 million years were likely caused by comet and asteroid showers, scientists conclude in a new study published in Monthly Notices of the Royal Astronomical Society.
Earth Sciences
Oct 20, 2015
13
1167
Over the course of Earth's history, several mass extinction events have destroyed ecosystems, including one that famously wiped out the dinosaurs. But none were as devastating as "The Great Dying," which took place 252 million ...
Ecology
Mar 17, 2021
1
880
During Antarctica's summer, from late November through January, UW-Milwaukee geologists Erik Gulbranson and John Isbell climbed the McIntyre Promontory's frozen slopes in the Transantarctic Mountains. High above the ice fields, ...
Earth Sciences
Nov 9, 2017
14
571
Researchers in the U.S. and Japan say they may have found the cause of the first mass extinction of life on Earth.
Earth Sciences
May 17, 2017
0
142
An international team of evolutionary biologists and paleontologists have reconstructed the evolution of the avian brain using a massive dataset of brain volumes from dinosaurs, extinct birds like Archaeopteryx and the Great ...
Plants & Animals
Apr 23, 2020
2
252
Two hundred and fifty million years ago, life on earth was in a tail-spin—climate change, volcanic eruptions, and rising sea levels contributed to a mass extinction that makes the death of the dinosaurs look like child's ...
Archaeology
May 23, 2016
29
648
It was climate that killed many of the large mammals after the latest Ice Age. But what more specifically was it with the climate that led to this mass extinction? The answer to this is hidden in a large number of sediment ...
Earth Sciences
Feb 5, 2014
19
1
A team of researchers from Hokkaido University and the Gunma Museum of Natural History, both in Japan and Carleton University in Canada, has found evidence of anatomical parts in an ancient relative of the crocodile that ...
Scientists at Stanford University have discovered a surprising pattern in how life reemerges from cataclysm. Research published Oct. 6 in Proceedings of the Royal Society B shows the usual rules of body size evolution change ...
Plants & Animals
Oct 6, 2021
0
2750
A professor emeritus at Tohoku University has unearthed evidence pointing to a strong relationship between the magnitude of mass extinctions and global temperature changes in geologic times.
Earth Sciences
Jul 22, 2022
5
408
