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Latest Permian–Triassic extinction event Stories

87523_web
2015-03-01 14:38:20

Environment was just right--a 'Goldilocks effect'-- for well-preserved swim tracks from the Early Triassic age.

Cartilaginous fish
2014-12-02 04:00:57

Paleontologists from the University of Zurich now reveal that climate catastrophes in the past played a crucial role in the dominance of ray-finned fish today.

Swimming Behaviors Of Triassic Sea Creatures Identified Based On Paddle Print Fossils
2014-06-12 07:48:30

Scientists have debated how nothosaurs swam for a long time. One theory is the reptiles used their paddle-like feet to row with a back-and-forth motion. A second theory has the dinosaurs sweeping their forepaddles in a figure-eight motion

Mass Extinction During The Great Dying Caused By Microbial Methane
2014-04-01 11:49:56

Over 250 million years ago a mysterious event dubbed the Great Dying wiped out 90 percent of all species on Earth. Scientists have debated the culprit behind this mass extinction event for years, and a new study from MIT researchers has concluded that countless, tiny microbes...

Permian Mass Extinction May Have Happened In The Blink Of An Eye
2014-02-11 05:07:01

A research team from MIT has determined that the end-Permian extinction took place over 60,000 years — give or take 48,000 years. From a geologic perspective, that's nearly instantaneous.

Extinction Event During End Of The Permian Period Likely Due To Acid Rain
2013-11-23 05:08:21

At the end of the Permian period, approximately 250 million years ago, a mass extinction occurred that was so severe it remains the most traumatic known species die-off in Earth's history.

Ancient Mammals Evolution Mass Extinction
2013-08-14 09:52:22

A new study examines how a group of ancient mammalian relatives coped with a mass extinction event in the prehistoric past as a way to glimpse into the potential future.

Strange Bedfellows: Odd Couple Fossils Discovered In The Same Burrow
2013-06-23 03:58:36

Sorry, Felix and Oscar, but an international team of researchers have found a real-life odd couple that puts Neil Simon’s famous duo to shame – a mammal forerunner and an ancient amphibian, which were discovered sharing a burrow during the Early Triassic period.

2012-05-08 13:44:37

A basic tenet underpinning scientists' understanding of extinction is that more abundant species persist longer than their less abundant counterparts, but a new University of Georgia study reveals a much more complex relationship.

Earth’s Largest Extinction Event - Was It Caused By Siberian Volcanism?
2012-01-10 05:57:28

Around 250 million years ago, at the end of the Permian geologic period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth’s history.


Word of the Day
upstander
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.