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 ...

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

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 ...

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 ...

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 ...

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 ...

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 ...

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, ...

The Cretaceous Era—roughly 145 to 66 million years ago—was the last hurrah of the dinosaurs. A massive asteroid impact brought them to a violent end, but there’s more to the story. The Cretaceous ...