You might know the Cretaceous Period for big animals such as Tyrannosaurus rex and Triceratops, or for being the end of the age of dinosaurs. But what was the world like in the millions of years ...

This wasn't the first mass extinction in our planet's history, but it was one of the most transformative, reshaping ecosystems and paving the way for new life forms. The so-called Cretaceous-Paleogene ...

The most famous mass extinction happened at the end of the Cretaceous some 65 million years ago, when 76% of all species went extinct, including the large dinosaurs and ammonites. Minor extinction ...

it initially seemed to scientists as if a space rock impact might be a general mechanism that explained all mass extinction ...

The study, “Seasonal calibration of the end-Cretaceous Chicxulub Impact Event”, provides new evidence that helps ... The study provides long-awaited evidence that helps confirm previous studies on the ...

Scientists have discovered levels of iridium 30 times greater than average in the Cretaceous/Tertiary (KT) boundary, the layer of sedimentary rock laid down at the time of the dinosaur extinction.

Explore the age of the dinosaurs. Discover what the prehistoric world was like and how it changed between when dinosaurs first appeared and the mass extinction at the end of the Cretaceous Period. Non ...

Not only did mammals likely compete with dinosaurs for resources, many species survived the end-Cretaceous extinction and subsequently came to dominate Earth. A gradual decline in the number of ...

When a mass extinction event 66 million years ... black beetle. The Cretaceous-Paleogene extinction event triggered one of the most profound restructurings of Earth’s natural environment ...

A massive asteroid impact led to the extinction of diverse life forms from the planet ... Scientists have examined fossilized beetles from the Cretaceous period, finding them remarkably similar to ...