An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

Yellowstone National Park, known for its stunning landscapes and geothermal features, is sitting atop one of the most ...

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...