A fossil hunter found a lump of prehistoric vomit roughly dated to the time of the mass extinction that wiped out the ...

Cretaceous-Paleogene (K-Pg) boundary: The geological boundary marking the end of the Cretaceous period and the beginning of the Paleogene period, characterized by a mass extinction event.

This event occurred across the world and witnessed the loss of around 75 percent of all species of animals during a very narrow point of time – the boundary between the Cretaceous and Paleogene ...

Seventy-five percent of life on Earth was destroyed after the asteroid impact at Chicxulub, which occurred 66 million years ...

3 min read At the dawn of the Paleogene—the beginning of the Cenozoic ... the absence of the giant mosasaurs and plesiosaurs of the Cretaceous. Squid and other soft-bodied cephalopods replaced ...

A new study questions this scenario. Using groundbreaking empirical measurements of sulfur within the related Cretaceous-Paleogene (K-Pg) boundary layer, the international team has demonstrated ...

The Cretaceous-Paleogene (K-Pg) extinction event that occurred 66 million years ago is believed to have been caused by an asteroid crashing into Earth just off the Yucatan peninsula in south ...

The Cretaceous is a geological period that began 145 million years ago and ended 66 million years ago. It is the last period in the Mesozoic Era. It comes after the Jurassic Period and before the ...