What happened the day the dinosaurs died?
What happened in the days, even hours, after an asteroid set off the fifth extinction? A New Jersey quarry, and site of a new museum founded by paleontologist Ken Lacovara, sheds light on the mystery.

What happened in the days, even hours, after an asteroid set off the fifth extinction? A New Jersey quarry, and site of a new museum founded by paleontologist Ken Lacovara, sheds light on the mystery.