Earth Science
Date: March 2019
Source: Phys.org
A major cosmic impact that occurred toward the end of the Pleistocene epoch (12,800 years ago), causing rapid climatic changes, megafaunal extinctions, sudden human population decrease and cultural shifts and widespread wildfires (biomass burning) got additional findings from a Chilean site. According to the on-going study called the Younger Dryas Impact Hypothesis, traces of the multiple impacts have been found in the Americas, Europe, and up to Greenland where a major crater has been recently spotted.
Read more at: Phys.org