Lost River Caverns in Hellertown offers a geological adventure that’s been millions of years in the making, yet somehow remains one of Pennsylvania’s best-kept secrets. The moment you descend into ...

Volcanoes across several US states have recently become active, while no immediate danger is reported, experts remain ...

This gorgeous trail in North Carolina is part of the "Grand Canyon of the East" and features unique rock formations and a ...

You don’t have to travel to Hawaii or Iceland to find a record-breaking volcano – one of Earth’s largest and youngest ...

WASHINGTON – During last week’s White House Africa Summit, Liberian President Joseph Boakai made a passionate request to US President Donald Trump for the United States of America to help Liberia ...

German soldiers never set foot on the speck of land at the far end of the Aleutian Islands during World War II, but the name ...

Johnson’s Shut-Ins State Park in Middle Brook, Missouri, is that kind of breathtaking natural wonder. When someone mentions ...

Yellowstone’s geological history is one of the most intensely studied in North America. From a map drawn on a bison pelt by ...

A team of scientists put together a global database of submarine mud volcanoes. Orders of magnitude more are still bubbling, ...

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

Article citations More>> Brennan, S.T., Burruss, R.C., Merrill, M.D., et al. (2010) A Probabilistic Assessment Methodology for the Evaluation of Geologic Carbon Dioxide Storage. US Geological Survey ...

Nearly two dozen state geological surveys depend heavily on federal funds. A proposed budget cut could slow or stop key geologic mapping work.