A new study provides compelling evidence that the Chicxulub meteorite impact, rather than massive volcanic activity, was the ...

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.

For years, Earth scientists have debated whether the intense volcanic activity in India, which occurred both before and after ...

The scientists therefore conclude that the meteorite impact was the ultimate cause of the dinosaur extinction event. What killed off the dinosaurs—was it the Chicxulub meteorite or did the effects of ...