A crater at the edge of the Yucatán ... Sun-blocking dust from asteroid impact drove the dinosaur extinction The Chicxulub impact 66 million years ago filled the sky with fine silicate dust ...
The huge asteroid ... crater in Mexico. That one ended the reign of the dinosaurs. But they say the smaller rock also came at the end of the Cretaceous period when they went extinct.
A study published in Nature has revealed that the mass extinction of dinosaurs ... by multiple asteroid impacts, not just one. Researchers mapped an underwater crater off the coast of Guinea ...
Did a collision with a giant asteroid ... that the impact that created this crater occurred 65 million years ago. The date corresponds perfectly to the date of the dinosaur extinction.
Was it the asteroid or colossal volcanism that initiated the demise of the dinosaurs ... the impact event is exactly contemporaneous with the extinction." Investigations of a 200km-wide crater ...
The Chicxulub asteroid strike is well-known for its role in dinosaur extinction ... New Evidence of a Second Asteroid Impact A lesser-known crater, the Nadir, was discovered off the ...
Dinosaurs went extinct at the end of the Cretaceous Period 65 million years ago. Now scientists have found extraordinary evidence which documents the colossal asteroid impact event. It was widely ...