Smithsonian: The asteroid strike was only one factor in dinosaur extinction | Uncommon Descent

Sixty-six million years ago, an asteroid hit the Yucatan Peninsula in Mexico and produced cataclysmic disruptions that, it is believed, killed off about 75% of species (the K/Pg extinction). But many researchers think there must have been other factors at work.

Source: Smithsonian: The asteroid strike was only one factor in dinosaur extinction | Uncommon Descent