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
5
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
3
66
(Phys.org) —It's well known that the dinosaurs were wiped out 66 million years ago when a meteor hit what is now southern Mexico but evidence is accumulating that the biggest extinction of all, 252.3m years ago, at the ...
Earth Sciences
Aug 1, 2013
32
0
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
0
247
Around 252 million years ago, life on Earth collapsed in spectacular and unprecedented fashion, as more than 96 percent of marine species and 70 percent of land species disappeared in a geological instant. The so-called end-Permian ...
Earth Sciences
Sep 16, 2015
10
192
Nine human species walked the Earth 300,000 years ago. Now there is just one. The Neanderthals, Homo neanderthalensis, were stocky hunters adapted to Europe's cold steppes. The related Denisovans inhabited Asia, while the ...
Archaeology
Nov 22, 2019
4
1077
The mysterious relationship between Pangea integration and the biggest mass extinction happened 250 million years ago was tackled by Professor YIN Hongfu and Dr. SONG Haijun from State Key Laboratory of Geobiology and Environmental ...
Earth Sciences
Nov 3, 2013
0
0
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
20
361
New research has uncovered that pollen preserved in 250 million year old rocks contain compounds that function like sunscreen, these are produced by plants to protect them from harmful ultraviolet (UV-B) radiation. The findings ...
Paleontology & Fossils
Jan 6, 2023
0
218
For decades, paleontologists have debated whether dinosaurs were warm-blooded, like modern mammals and birds, or cold-blooded, like modern reptiles. Knowing whether dinosaurs were warm- or cold-blooded could give us hints ...
Paleontology & Fossils
May 25, 2022
1
1277
