A fossil site in North Dakota appears to have captured the day the dinosaur-killing asteroid struck Earth, right down to tiny glass beads from the impact lodged in the gills of fish that died within hours
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 arresting detail was not a dinosaur skeleton. It was fish. […]










