While volcanism caused a temporary cold period, the effects had already worn off thousands of years before the meteorite, the ultimate cause of the dinosaur extinction event, impacted.
Asteroid impacts have changed Earth’s landscape time and time again. Some impacts caused great change to occur, like the Chicxulub Impactor, which led to the mass extinction of dinosaurs around 65 ...
An asteroid or comet struck near Mexico’s Yucatán Peninsula 66 million years ago, forming the 110-mile (180-kilometer) wide Chicxulub crater. This event likely triggered an impact winter ...