The site is called Tanis, in the Hell Creek Formation of southwestern North Dakota. In 2019, a team led by Robert DePalma described it as a rare snapshot of the first minutes to hours after the Chicxulub asteroid impact 66 million years ago. The most arrestin…
The site is called Tanis, in the Hell Creek Formation of southwestern North Dakota. In 2019, a team led by Robert DePalma described it as a rare snapshot of the first minutes to hours after the Chicx… [+7053 chars]