Add Yahoo as a preferred source to see more of our stories on Google. On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs. In ...

Tyrannosaurus Rex Tyrannosaurus rex arose during the Cretaceous period about 85 million years ago, and thrived as a top land predator until the dinosaurs went extinct 20 million y ...

・Shell-forming plankton underwent the second-worst mass extinction on record 113 million years ago. ・The cause of this extinction has been traced for the first time to ocean acidification caused by an ...

A Cataclysm and Its Feathered Survivors About 66 million years ago, a massive asteroid slammed into Earth. The devastation and climate upheaval it triggered are now counted among the chief drivers of ...

Hello, this is Chi Asakawa, and I'm honestly shocked at myself for leaving this blog untouched for two months since my last ...

Shortly after an asteroid slammed into Earth 66 million years ago, life for non-avian dinosaurs ended, but the evolutionary story for the early ancestors of birds began. The fossil record tells us ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction thanks to their lifestyle. Reading time 2 minutes The end-Cretaceous ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of a tyrannosaur preying on an ancient diving bird. (CREDIT: Andrey Atuchin) A fossilized dinosaur dropping from ...

Newswise — The asteroid impact thought to have wiped out the dinosaurs 66 million years ago was followed by surges of fungi in North America, according to a new paper by Johns Hopkins Bloomberg School ...

Learn how egg size may help explain why ammonites didn’t survive the end-Cretaceous extinction 66 million years ago, while their relatives, the nautiloids, did. Life in the ancient oceans wasn’t easy, ...

A 113-million-year-old marine murder mystery may finally be solved. Using chemical clues locked inside microscopic fossils, Northwestern University scientists found evidence that ocean acidification ...