"The Day the Dinosaurs Died" -- Chicxulub Asteroid Impact Equivalent to 10 Billion Hiroshima Bombs Hit Worst Possible Place on Earth (A 2017 'Galaxy' Most Viewed)

"This is where we get to the great irony of the story - because in the end it wasn't the size of the asteroid, the scale of blast, or even its global reach that made dinosaurs extinct - it was...