In the icy wilderness of Antarctica, where glaciers now dominate the landscape, scientists have unearthed a fossil that ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico ...

Cretaceous-Paleogene Extinction (about 66 million years ago): Known for ending the reign of the dinosaurs, this extinction was likely caused by an asteroid impact, volcanic activity, and climate ...

Several factors contributed to the survival of crocodiles, turtles, lizards and birds 66 million years ago, say our readers ...

Today’s extinction rates are sky-high. But scientists debate if that’s sufficient ... Today, the fossilized remains of these creatures are buried beneath a conspicuous layer of sediment or rock that ...

The new skull exhibits a long, pointed beak and a brain shape unique among all known birds previously discovered from the ...

Previous studies have posited that the mass extinction that wiped the dinosaurs ... measurements of sulfur within the related Cretaceous-Paleogene (K-Pg) boundary layer, the international team ...

This is commonly referred to as the "Cretaceous-Paleogene extinction event" (try saying that four times fast!). This theory was first made by the geologist Walter Alvarez and his father Luis ...

Extinction is a natural part of life on Earth. But occasionally, extinction rates have surged far beyond usual levels, driving mass extinction events that have reshaped the trajectory of life. After a ...

Around 66 million years ago, Earth underwent a catastrophic event that wiped out nearly 75% of all species, including the dinosaurs. This wasn't the first mass extinction in our planet's history ...

The chosen student's research will be funded by a NSF FRES Program award: Collaborative Research: Terrestrial Ecosystem Recovery after the Cretaceous/Paleogene Mass Extinction in the Denver and ...