Dust From Asteroid That Ended Dinosaur Reign Closes Case on Impact Extinction Theory
27 FEBRUARY 2021
Having dominated the planet's surface for hundreds of millions of years, dinosaur diversity came to a dramatic conclusion some 66 million years ago at the hot end of an asteroid impact with what is today Mexico's Yucatán Peninsula.
It's a theory so swollen with data that it's hard to imagine any room for doubt remains that this is indeed what happened. Were it a cold case, it'd be rubber-stamped and filed under 'Solved' by now.
But scientists are a nitpicky bunch, and a tiny gap in the chain of evidence linking signs of a global apocalypse with the scene of the crime has been begging to be closed.