Scientists thought this crater in Australia was the world’s oldest — but an independent analysis shows they might be off by ...

Cutting‑edge dating reveals driftwood high in Grand Canyon caves 55,250 years ago when a meteor’s shock wave blocked and ...

A new study has revealed the formation of the Grand Canyon may be tied to the creation of another Arizona landmark.

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...