Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, flying at 27,000 mph (43,000 km/h), slammed directly into Earth. The impact ...

In Australia, geophysicists working for a gold prospecting company have unearthed a massive impact crater, estimated to be ...

The great mass extinctions -- The impact hypothesis -- The controversy -- In search of the crater -- The discovery of Chicxulub crater -- Scenario of a catastrophe -- Impacts and other extinctions -- ...

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 ...

A large asteroid (~12 km in diameter) hit Earth 66 million years ago, likely causing the end-Cretaceous mass extinction. Credit: Southwest Research Institute/Don Davis A large asteroid (~12 km in ...

In September 2025, an X post 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 an ...