
Ice Age Diorama. From left to right: Equus hemionus, Mammuthus primigenius, Coelodonta antiquitatis, Bison exiguous skeletal mounts at the Tianjin Natural History Museum.
As of now, this paper by Richard Firestone, Allen West and Simon Warwick-Smith and colleagues has amassed over 550 citations in Google Scholar - which is a lot! It is on its way to becoming a classic. But it has also received more than its fair share of criticism, mostly sustained from just a handful of vehement opponents. But has any of their criticism stuck? And what is the status of Firestone et al.'s paper today? Has the dust settled on an outcome? Are we there yet?

Evolution of temperatures in the post glacial period, after the Last Glacial Maximum (LGM), showing very low temperatures for the most part of the Younger Dryas, rapidly rising afterwards to reach the level of the warm Holocene, based on Greenland ice cores.
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NASA CHIEF WARNS ASTEROID THREAT IS REAL: 'IT’S NOT ABOUT MOVIES - May 1, 2019
Asteroids could very well hit Earth in the near future and cause widespread destruction, according to NASA.
NASA's administrator emphasized the significance of planetary defense in protecting people against possible asteroid and comet impacts during his introductory speech at the 2019 Planetary Defense Conference on April 29.