A 4.5-billion-year-old meteorite crashes through the roof of a house in Georgia, revealing clues about the origin of the Solar System.

Oxygen isotope analysis of lunar soil shows meteorites delivered only a limited amount of water to the Earth–Moon system after about 4 billion years ago.

Asteroid hit North Sea: A long-standing scientific debate has finally been resolved: the Silverpit Crater beneath the North Sea was formed by a massive asteroid impact around 43–46 million years ago.

This one drops visitors deep beneath the surface, into the cool, shadowy world of a real working mine where history stops being something you read about and starts becoming something you can actually ...

Explore these hidden underground adventures in Arkansas, where stunning caves and unique experiences await, perfect for ...

Wonder World Cave in San Marcos threw that whole process out the window and decided to be formed by an earthquake instead, because apparently, patience is overrated. That faux-rock waterfall entrance ...

If someone told you that you could walk to the top of an active volcano in California, you’d probably assume they were ...

Rising sea levels are slowing Earth’s rotation, lengthening how long an average day lasts. And the current rate of increase to a single average day—1.33 additional milliseconds per century—is ...

Overlooking the mountainous border between Austria and Italy, Weißseespitze is an alpine glacier. It formed as layers of snowfall gradually compacted into dense glacial ice, trapping airborne ...

Now imagine opening it and finding that more than a billion years of pages are missing. That mystery is called the Great Unconformity. A ...