Kelly Gravitt was last seen a year and a half ago at the Black Lava Vape Shop in Pahoa, Hawaii Island. The 34-year-old served ...

Ocean explorers spotted what looked like a "yellow brick road" to Atlantis in the Pacific Ocean in 2022. Here's what we know ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...