New research findings consistent with theory of impact event 12,900 years ago
Tuesday, September 25, 2012 - 05:30
in Paleontology & Archaeology
(Phys.org)—New research findings published in the Proceedings of the National Academy of Sciences (PNAS) are consistent with a controversial theory that an extraterrestrial body – such as a comet – impacted the Earth approximately 12,900 years ago, possibly contributing to the significant climatic and ecological changes that date to that time period.