Find out why most dinosaurs became extinct 66 million years ago at the end of the Cretaceous Period. Birds were the only dinosaurs to survive the mass extinction.

Scientists agree that all non-avian dinosaurs became extinct at the K–Pg boundary. The dinosaur fossil record has been interpreted to show both a decline in diversity and no decline in diversity during the last few million years of the Cretaceous, and it may be that the quality of the dinosaur fossil record is simply not good enough to permit ...

With a devastating asteroid impact, a reign that had lasted 180 million years was abruptly ended. Prof Paul Barrett, a dinosaur researcher at the Museum, explains what is thought to have happened the day the dinosaurs died. Did an asteroid kill the dinosaurs?

Jul 31, 2019 · Learn about the mass extinction event 66 million years ago and the evidence for what ended the age of the dinosaurs. Abundant fossil bones, teeth, trackways, and other hard evidence have revealed...

Jun 11, 2016 · Sixty-six million years ago, an asteroid struck eastern Mexico and wiped out the dinosaurs. Now scientists have a better idea of what that looked like.

Apr 18, 2022 · It was early spring in the Cretaceous, 66 million years ago, moments before a seven-mile-wide asteroid would hit the Yucatan with blustering force. A few hours later, most life within 3,000 miles would be dead, killed by debris, burned alive or poisoned.

One day 66 million years ago, an asteroid the size of a mountain struck near the Yucatán Peninsula with an explosive force equivalent to 100 trillion tons of TNT. In that cataclysmic instant, the 165-million-year reign of the dinosaurs came to an end. The asteroid theory of the dinosaurs’ demise was first suggested in 1980.

Mar 24, 2010 · The Cretaceous-Tertiary extinction event, or the K-T event, is the name given to the die-off of the dinosaurs that took place some 65.5 million years ago. For many years, paleontologists believed ...

5 days ago · Dinosaurs like Tyrannosaurus rex, Triceratops, and Ankylosaurus thrived on land. Giant flying reptiles such as Quetzalcoatlus hunted from above, while mosasaurs and plesiosaurs ruled the oceans. It was a world in balance. Ecosystems had developed over millions of years in a delicate dance of predator and prey. There had been extinctions before ...

Jun 21, 2023 · The dawn of dinosaurs began with the Permian mass extinction, also known as the Great Dying. This event, around 252 million years ago, killed more than 90 percent of life on Earth at the time.