Hundreds of millions of people live in areas that could be affected by volcanic eruptions. Fortunately, clues at the surface, ...

A massive stone monolith has been found protruding from the Pacific Ocean seafloor like a giant finger, according to NOAA Ocean Exploration. The pillar is 49 feet high, 36 feet long and 13 feet wide, ...

“What’s unusual about this dike is that the (camera ... on the planet and harbor numerous protected species, wondrous geological formations, and undiscovered shipwrecks,” NOAA reports.