Small and elusive night lizards probably persisted because they have slow metabolisms and like to hide out in rock crevices, ...

Megalodons have been portrayed as gigantic great whites, but new research suggests they were more svelte and less agile ...

Researchers found that night lizards survived the dinosaur-killing asteroid strike at the end of the Cretaceous, despite living near the impact site in Mexico.

Learn about the mass extinction event 66 million years ago and the evidence for what ended the age of the dinosaurs. ... crater seems to be the right size and age to account for the dino die-off.