SONOMA COUNTY, CA - A 3.9 magnitude quake was registered close to The Geysers Monday morning, according to the U.S.

More than a century has passed since the last eruptions of Mount Lassen and Mount Shasta, yet both remain active and ...

Hawaii's Kilauea volcano, one of the most active in the world, is about to erupt again, according to the United States ...

A 3.9 magnitude earthquake struck near the Geysers geothermal field in northeastern Sonoma County on Monday morning, ...

Grand Canyon, Yellowstone’s Old Faithful, Niagara Falls. The usual suspects that dominate Instagram feeds and postcards. Yet ...

With over 4 miles and seven stories full of unique rock formations and water streams, this underground cavern is one of the largest cave systems in Missouri.

An earthquake measuring magnitude 3.9 struck north of the San Francisco Bay Area on Nov. 24, according to the USGS.

In the summer, the U.S. Geological Survey began large-scale low-level airplane flights over the Upper Peninsula and northern ...

Helicopters sporting long appendages are flying over some rural areas of the country, including here in Colorado. Many of ...

The 1.8-magnitude earthquake was recorded at 10:13 a.m. and centered southwest of Kingston, N.H., according to the United States Geological Survey.

Discover the remarkable Helix Neptune, an advanced amphibious robot built for geological exploration. Equipped with patented ...