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 ...

However, when the asteroid slammed into Earth, it carried with it a payload of the element, which settled over much of the planet in a fine layer. This iridium-rich layer of sediment, which defines ...

Dinosaurs’ extinction “re-engineered” Earth’s surface, according to new research. The reptiles had such an “immense” impact on the planet that their sudden exit led to wide scale changes in landscapes ...

The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and unexposed late Cretaceous rock layers mean they're either not preserved or hard ...