New research may draw a 'curtain of fire' on dinosaur extinction theory
New research may draw a 'curtain of fire' on dinosaur extinction theory
Earth Sciences
Nov 23, 2015
2
886
News tagged with mass extinction events
End-Permian mass extinction may have been driven by an ocean teeming with life
(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 ...
Doubt cast on global firestorm generated by dino-killing asteroid
Pioneering new research has debunked the theory that the asteroid that is thought to have led to the extinction of dinosaurs also caused vast global firestorms that ravaged planet Earth.
Earth Sciences
Jan 22, 2015
7
912
New, tighter timeline confirms ancient volcanism aligned with dinosaurs' extinction
A definitive geological timeline shows that a series of massive volcanic explosions 66 million years ago spewed enormous amounts of climate-altering gases into the atmosphere immediately before and during the extinction event ...
Earth Sciences
Dec 18, 2014
10
0
Dinosaur predecessors gain ground in wake of world's biggest biodiversity crisis
Many scientists have thought that dinosaur predecessors missed the race to fill habitats emptied when nine out of 10 species disappeared during the Earth's largest mass extinction, approximately 252 million years ago. The ...
Archaeology
Apr 29, 2013
0
0
Test shows dinosaurs survived mass extinction by 700,000 years
University of Alberta researchers determined that a fossilized dinosaur bone found in New Mexico confounds the long established paradigm that the age of dinosaurs ended between 65.5 and 66 million years ago.
Archaeology
Jan 27, 2011
16
0
Prehistoric Fish Extinction Paved the Way for Modern Vertebrates
A mass extinction of fish 360 million years ago hit the reset button on Earth's life, setting the stage for modern vertebrate biodiversity, a new study reports.
Archaeology
May 17, 2010
2
0
Crashing comets not likely the cause of Earth's mass extinctions: new research
(PhysOrg.com) -- Scientists have debated how many mass extinction events in Earth's history were triggered by a space body crashing into the planet's surface. Most agree that an asteroid collision 65 million years ago brought ...
Space Exploration
Jul 30, 2009
14
0
Fossil magnetism helps prove mass extinction theory
(PhysOrg.com) -- Were major extinction events real biological catastrophes or were they merely the result of gaps in the fossil record? Research by a team of geologists from the Universities of Bristol, Plymouth, and Saratov ...
Earth Sciences
May 4, 2009
0
0
Dinosaurs declined before mass extinction
Dinosaurs were dying out much earlier than the mass extinction event 65 million years ago, Natural History Museum scientists report in the Proceedings of the Royal Society journal today.
Archaeology
Apr 30, 2009
5
1
