Why the recently discovered Hiawatha Crater in Greenland is not the Younger Dryas impact.

Guest “geology lesson” by David Middleton Fire from the SkyResearchers find evidence of a cosmic impact that caused destruction of one of the world’s earliest human settlementsBy Sonia FernandezFriday, March…

The Single Biggest Problem With the Younger Dryas Impact Hypothesis: Uniformitarian Impact Craters, Part Cinq

Guest commentary by David Middleton YDIH = Younger Dryas Impact Hypothesis YDB = Younger Dryas Boundary Last month I shot a big hole in the latest YDIH paper.  This Science…

Support: comet impact may have triggered the Younger Dryas period

From the University of South Carolina – PNAS: Topper site in middle of comet controversy By Peggy Binette, USC Did a massive comet explode over Canada 12,900 years ago, wiping…