The study of a new species of coelacanth from the Middle Triassic period, with a strange morphology for these fish known as "living fossil," show the formation of several species in a short time, after a mass extinction that ...
Evolution
Jul 20, 2023
0
258
New research finds soot from global fires ignited by an asteroid impact could have blocked sunlight long enough to drive the mass extinction that killed most life on Earth, including the dinosaurs, 66 million years ago.
Earth Sciences
Mar 20, 2020
1
285
(Phys.org)—The Permian geologic period that ended the Paleozoic era climaxed around 252 million years ago with a sweeping global mass extinction event in which 90 to 95 percent of marine life became extinct. It would take ...
A study of more than 6,000 marine fossils from the Antarctic shows that the mass extinction event that killed the dinosaurs was sudden and just as deadly to life in the polar regions.
Paleontology & Fossils
May 26, 2016
7
150
Curtin University research has shed new light on when one of the largest mass extinction events on Earth occurred, which gives new meaning to what killed Triassic life and allowed the ecological expansion of dinosaurs in ...
Earth Sciences
Nov 16, 2020
11
2646
Scientists have spent decades debating whether asteroids and comets hit the Earth at regular intervals. At the same time, a few studies have found evidence that the large extinction events on Earth – such as the one that ...
Space Exploration
Jun 22, 2017
12
73
A new study suggests that volcanic eruptions did not lead to the extinction of the dinosaurs, and also demonstrates that Earth's oceans are capable of absorbing large amounts of carbon dioxide—provided it is released gradually ...
Earth Sciences
Apr 26, 2016
0
134
A new tool developed by European and Australian scientists enabling unparalleled modeling of interconnected species loss shows cascading extinctions are unavoidable, and that the Earth will lose some 10% of its animals and ...
Environment
Dec 16, 2022
80
1039
Over 90 per cent of mammal species were wiped out by the same asteroid that killed the dinosaurs in the Cretaceous period 66 million years ago, significantly more than previously thought.
Archaeology
Jun 20, 2016
0
931
A pair of paleobiologists from Scripps Institution of Oceanography, UC San Diego have determined that the world's most numerous and diverse vertebrates – ray-finned fishes – began their ecological dominance of the oceans ...
Evolution
Jun 30, 2015
0
151
