A new study led by researchers at the University of Michigan has determined that a dinosaur-killing asteroid that smashed into Earth 66 million years ago produced mile-high waves around the globe as ...

Sixty six million years ago, a colossal asteroid crashed into what is now the Yucatán Peninsula in Mexico. It triggered the extinction of the dinosaurs and wiped out most life on Earth. But what if ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Sixty-six million ...

More than a century of fossils pulled from the ground told a straightforward story: dinosaurs thrived, then declined, then vanished in a fiery cataclysm 66 million years ago. The idea is that ...