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  1. Chicxulub crater - Wikipedia

    The aftermath of the asteroid collision, which occurred approximately 66 million years ago, is believed to have caused the mass extinction of non-avian dinosaurs and many other species on Earth. [14]

  2. The asteroid that killed the dinosaurs was about the size of Mount ...

    Sep 22, 2025 · The asteroid and its aftermath are widely agreed to be the cause of the nonavian dinosaurs' extinction and ultimately wiped out about 75% of species on Earth.

  3. How an asteroid ended the age of the dinosaurs

    The last non-bird dinosaurs were living at a time of environmental change, some of which began millions of years before they went extinct. The asteroid was the final, killer blow.

  4. Chicxulub crater | Description, Features, Geology, Dinosaur Extinction ...

    Dec 9, 2025 · The Chicxulub crater is an impact crater located off the Yucatán Peninsula that formed through an asteroid impact about 66 million years ago. The impact and resulting climate change is …

  5. The Asteroid That Killed the Dinosaurs: Could It Happen Again?

    Mar 20, 2025 · The odds of a dinosaur-killing asteroid hitting Earth in our lifetime are extremely low. Scientists estimate that impacts from objects 1 kilometer wide happen about once every 500,000 years.

  6. Scientists Finally Uncover the True Origins of the Dinosaur-Killing ...

    Sep 25, 2024 · Scientists have determined the source and makeup of the asteroid responsible for the mass extinction 66 million years ago, identifying it as an uncommon carbonaceous asteroid …

  7. Evolution: Extinction: What Killed the Dinosaurs? - PBS

    Scientists calculate that it was blasted into Earth by a 10-kilometer-wide asteroid or comet traveling 30 kilometers per second -- 150 times faster than a jet airliner.

  8. What Happened the Day a Giant, Dinosaur-Killing Asteroid Hit the Earth

    Sep 9, 2019 · One of the greatest scars on our planet is hidden beneath the Yucatán Peninsula and the Gulf of Mexico. The buried crater, over 90 miles in diameter, was created when a massive asteroid …

  9. Cretaceous–Paleogene extinction event - Wikipedia

    The aftermath of this immense asteroid collision, which occurred approximately 66 million years ago, is believed to have caused the mass extinction of non-avian dinosaurs and many other species on …

  10. We Finally Know Where The Asteroid That Killed The Dinosaurs Came …

    Aug 16, 2024 · The Chicxulub event – the giant impact that ended the reign of non-avian dinosaurs, clearing the way for mammalian life to rise – was triggered by an asteroid from a region of the Solar …