The Chicxulub impact structure in Mexico is widely believed to be the site of the asteroid impact that allegedly killed the dinosaurs. As Sergio de Régules reports, scientists are now preparing to ...

When colossal asteroids rock Earth, it's not all doom and gloom. The menacing asteroid that wiped out non-avian dinosaurs left a colossal marine crater in what's now the Yucatan Peninsula. But after ...

The Chicxulub Impact Crater, located on the Yucatán Peninsula, represents one of Earth’s most significant impact structures and offers a unique window into catastrophic processes that reshaped the ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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

The 5.3-mile-wide crater is now confirmed to be 66 million years old, suggesting that the impact of at least two giant space rocks preceded the mass extinction of dinosaurs. Reading time 3 minutes ...

In September 2025, an X post (archived) viewed over 1 million times claimed the world's biggest meteorite impact crater was in Mexico and included a video of the purported site. The video and claim ...

Approximately 66 million years ago, the Chicxulub asteroid, estimated to be 10-15 kilometer in diameter, struck the Yucatán Peninsula (in current-day Mexico), creating a 200-kilometer-wide impact ...