News Paleontology

The Age of Dinosaurs may have ended in springtime

Fossilized fish from North Dakota suggest when the Chicxulub asteroid strike devastated Earth

illustration of a dinosaur fleeing a massive flood

An asteroid impact off the coast of Mexico about 66 million years ago triggered devastating flooding at a site in North Dakota (illustrated). That dino-killing strike took place in the spring, a study suggests.

Joschua Knüppe

By Sid Perkins

- More than 2 years ago

About 66 million years ago, a 10-kilometer-wide asteroid slammed into Earth and not long afterward, all nonbird dinosaurs, as well as many other species on land and in the sea, perished.