Scientists have found new evidence that a massive comet trail may have caused climate upheaval on Earth more than 12,000 years ago. Tiny particles detected in ocean sediment cores suggest that dust from a large, disintegrating comet entered Earth’s atmosphere around the beginning of the Younger Dryas event, a period of abrupt cooling that caused temperatures in the Northern Hemisphere …
Read More »Massive comet trail may have transformed Earth’s climate more than 12,000 years ago, tiny particles suggest
