Alisporites tenuicorpus the pollen grain used in this work. Note a human hair is approximately 70µm so the samples analyzed are about half the width…
Posts published in “Extinction Event”
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A new study provides the strongest evidence yet that the dinosaurs were struck down in their prime and were not in decline, at the time…
New research indicates that a mass extinction occurred 550 million years ago, during the Ediacaran period. 550-million-year-old creatures’ message to the present. Earth is currently…
Palaeoneiros clackorum skull and shoulder girdle. Credit: Museum of Comparative Zoology, Harvard University; © President and Fellows of Harvard College According to new research, ray-finned…
According to new research, the evolution of tree roots may have triggered a series of mass extinctions. Geologists find parallels between ancient, global-scale extinction events…
New evidence suggests that the Chicxulub asteroid impact triggered an earthquake so monstrous that it shook the planet for weeks to months after the collision.…
The picture above depicts the Mississippi River flowing into the Gulf of Mexico. According to researchers at the University of Texas Institute for Geophysics, river…
Artist’s illustration of the Chicxulub asteroid entering Earth’s atmosphere 66 million years ago, triggering events that caused a mass extermination. When the asteroid now known…
With a lava flow in the distance, a primitively feathered theropod dinosaur carries off a mammalian victim during a snowy volcanic winter caused by massive…
Princeton University researchers reported in a new study that unless greenhouse gas emissions are curbed, marine biodiversity may be on track to plummet to levels…
The African bush elephant, Loxodonta africana, survived the Quaternary extinction. Mammals with larger brains than similar-sized related species were more likely to have survived extinction during…
This picture illustrates a scene from northern Laurentia (North America) in the period a few weeks after the Chicxulub impact showing the onset of freezing…
Curtin-led research has revealed an increase in levels of both acidAny substance that when dissolved in water, gives a pH less than 7.0, or donates…
Volcanos in present-day Siberia kickstarted the world’s biggest mass extinction event. Tiny microbes belching toxic gas helped cause — and prolong — the biggest mass…
Springtime, the season of new beginnings, ended the 165-million-year reign of dinosaurs and changed the course of evolution on Earth. Credit: Florida Atlantic University/Getty Images…
There are two main reasons crocodiles survived the asteroid that killed the dinosaurs. First, crocodiles can live for a very long time without food. Second,…
Volcanic deposits both on land and on the seafloor are rapidly weathered, releasing nutrients like phosphorus to the oceans (example shown here is Montserrat, West…
An artist’s rendering of the conditions during the End-Permian Mass Extinction, which wiped out nearly all life on earth. (Illustration by Victor Leshyk ‘The end-Permian…
Detail images of fossils from the Ordovician Period outcrop on Anticosti Island, Quebec, Canada. Credit: André Desrochers, University of Ottawa A team of researchers publish…
A trilobite fossil from the Ordovician period, which lasted from about 485 to 443 million years ago. A new analysis of marine fossils from most…