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  1. Jul 31, 2019 · Why did the dinosaurs go extinct? Learn about the mass extinction event 66 million years ago and the evidence for what ended the age of the dinosaurs.

  2. 3 days ago · Dinosaur - Extinction Causes, Evidence, & Theory: The mass extinction of dinosaurs 66 million years ago remains a misconception; the fossil record shows that dinosaurs were already in decline during the late Cretaceous.

  3. 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.

  4. Mar 24, 2010 · Dinosaurs roamed the earth for 160 million years until their sudden demise some 65.5 million years ago, in an event now known as the Cretaceous-Tertiary, or K-T, extinction event. (“K” is the...

  5. Sixty-six million years ago, dinosaurs had the ultimate bad day. 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.

  6. It is assumed by many that the dinosaurs went extinct very quickly following the asteroid strike. But, while a great many animals died at the moment of impact and in the weeks immediately following—particularly near ground zero—global mass extinction took a while, and it affected certain species more dramatically than others.

  7. Oct 27, 2009 · Some moved quickly, while others were lumbering and slow. Most dinosaurs were herbivores, or plant-eaters, but some were carnivorous and hunted or scavenged other dinosaurs in order to survive.

  8. 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.

  9. Jul 3, 2020 · Dinosaurs ruled the world for roughly 140 million yearsuntil they suddenly disappeared. While decades of research point to an asteroid impact at Chicxulub crater as the end of the...

  10. Jun 23, 2021 · All the dinosaurs—except for the ancestors of modern birds—and three quarters of the creatures living on Earth went extinct. To this day, scientists debate what caused this sudden change.