New research from North Carolina State University finds that major volcanic activity on the planet Mercury most likely ended about 3.5 billion years ago. hese findings add insight into the geological ...

Add Yahoo as a preferred source to see more of our stories on Google. A recent earthquake swarm at Mount Rainier in Washington state, along with increased volcanic activity in Alaska, Oregon, and ...

Does seismic activity under this long-dead volcano mean it's about to rise from the grave? That's what an international research team set out to discover as this Bolivian "zombie" volcano continues to ...

The Hawaiian Volcano Observatory is part of the U.S. Geological Survey, the science agency of the U.S. Department of Interior. Our job is to obtain and share science-based information about the ...

Three tiny glass beads, from a sample of 3,000 taken from the Moon, have revealed evidence of recent volcanic activity. Previous scientific estimates suggested volcanic activity ended more than 2 ...

When scientists recently took a closer look at archival images of the surface of Venus, they discovered something new: evidence of volcanic activity on Earth's "twin." The NASA Magellan spacecraft ...

Earlier this month, Mount Rainier experienced its most powerful seismic swarm ever recorded by the U.S. Geological Survey. More than 1,000 earthquakes have been detected at the mountain since July 8 — ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...