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.
We are researching the cause of megafaunal extinction in the last major extinction event. Hundreds of large mammal species disappeared during the transition from the last glaciation to the present ...
At least two mass extinctions of life correlate with marked short-term changes in global temperature. One (Ordovician) was about 440 million years ago when temperatures dropped by 7 degrees in a ...