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dinosaurs

Yellow and orange swirls color a chunk of Navajo sandstone in Grand Staircase.
Posted inFeatures

When Climate Ruled the Dinosaurs of Grand Staircase

by Mary Caperton Morton 30 December 202115 April 2022

Living in Geologic Time: Navigate the prolific boneyards and shifting boundaries of Grand Staircase-Escalante and Bears Ears National Monuments.

A fossil of Zhenyuanlong suni, a feathered dinosaur from the Early Cretaceous
Posted inResearch Spotlights

Cool Oasis for Cretaceous Feathered Dinosaurs

by Rebecca Dzombak 1 October 202111 January 2022

A new study found that the Jehol Biota had chilly temperatures and high altitudes when feathered dinosaurs roamed the slopes.

A 3D computer illustration of Hesperosuchus, an extinct genus of crocodylomorph reptiles
Posted inNews

A Little-Known Mass Extinction and the “Dawn of the Modern World”

by S. Norris 9 November 20206 December 2021

Volcanic eruptions in what is now western Canada may have triggered a million years of rain and a mass extinction that launched the reign of the dinosaurs.

The Chicxulub impact event, framed by fluffy clouds and flying pterosaurs
Posted inNews

Asteroid Impact, Not Volcanism, Likely Spelled Dinosaurs’ End

by Katherine Kornei 21 July 202010 November 2021

Using climate and habitat modeling, researchers show that solar dimming caused by an asteroid impact would have plunged the world into an “impact winter” and decimated dinosaur habitats.

Photo of a fossil display of T. rex chomping down on Triceratops
Posted inNews

Dinosaurs Roar Again, Now Including a Focus on Climate Change

by Randy Showstack 4 June 201915 April 2022

The newly renovated fossil hall at the Smithsonian’s National Museum of Natural History features spectacular fossils and includes a theme of human impact on life on Earth.

A computer rendering of a Brachiosaurus. Herbivores like brachiosaurs likely helped distribute nutrients through their poop.
Posted inNews

Signatures of Dinosaur Poop Found in Cretaceous Coal Seams

by Katherine Kornei 31 October 20174 October 2021

Coal analysis suggests that plant-eating dinosaurs, by walking kilometers between their picnic areas and their toilets, distributed important nutrients widely and boosted ecosystem health.

Asteroid strikes Earth 65 million years ago
Posted inNews

Cores from Crater Tied to Dinosaur Demise Validate Impact Theory

by JoAnna Wendel 17 November 201628 January 2022

Drilling into the famous, deeply buried Chicxulub crater off Mexico, researchers found deformed and porous granite that opens new avenues of research.

Mollusk shells reveal ocean warming episodes.
Posted inNews

Climate Warming May Have Helped Kill the Dinosaurs

by A. Coombs 14 July 201619 October 2021

New evidence indicates ancient warming spells that coincided with prodigious volcanism and a powerful meteorite impact, both seen as possible causes of mass extinctions about 66 million years ago.

From AGU Journals

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Geophysical Research Letters
“Satellite and Ocean Data Reveal Marked Increase in Earth’s Heating Rate”
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By Prajal Pradhan et al.

HOT ARTICLE
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“Premature Deaths in Africa Due to Particulate Matter Under High and Low Warming Scenarios”
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