Dinosaurs ruled the Earth for over 150 million years. Compared to the mere 4–6 million years that scientists believe humans ...

Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected evolutionary survival traits. Night lizards (family Xantusiidae) survived the ...

A massive trove of global fossil data has revealed variations in how elasmobranch species – sharks, skates, and rays – recovered after the Cretaceous-Paleogene (K-Pg) mass extinction event. Among the ...

SANTA CRUZ — As bad days go, it’s hard to top the one 66 million years ago when a space rock the size of Paris slammed into Earth at 45,000 mph. The heat of impact generated massive fires that ...

The reptiles had such an "immense" impact on the planet that their sudden exit led to wide-scale changes in landscapes - including the shape of rivers, say American scientists. Geologists have long ...

Fish bones and water lilies help pin down the exact timing of when the asteroid that wiped out the dinosaurs hit Earth. By Michael J. Benton / The Conversation | Published Jan 27, 2022 10:58 AM EST ...

Around 66 million years ago, Earth endured a mass extinction event that marked the end of the Cretaceous and the start of the Paleogene period. Roughly 75% of all species vanished, including every non ...

The researchers began to suspect changes in geology was somehow related to the mass extinction of dinosaurs - called the Cretaceous-Paleogene, or K-Pg, mass extinction. They started to examine what ...

2:18 p.m. May 31, 2023: An earlier version of this story misidentified the plant that was neither growing nor deteriorating. It was Sequoia sempervirens, or coast redwood, not metasequoia, or dawn ...