They describe how the time boundary between the Cretaceous and Paleogene Periods (the K–T boundary) is recognised in the geological record, and how fossil plants can be used to understand global ...

Earth’s long history has seen an uncountable number of species come and go – but one of the most famous extinction events we ...

Termed the Cretaceous-Paleogene (also called the K-T and K-P) boundary, the post-impact Earth changed. As the asteroid or comet struck Earth, it vaporized some of the planet’s bedrock ...

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 ...

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 ...

Lyson at Denver Museum of Nature & Science in Denver, CO, and colleagues was titled, "Exceptional continental record of biotic recovery after the Cretaceous-Paleogene mass extinction." ...

Beneath the waves of the South Pacific lies Zealandia, a submerged landmass spanning nearly two million square miles. Often ...