A team of USGS researchers in Flagstaff are working to develop an all new geologic map of the Grand Canyon region.

A light, 4.7-magnitude earthquake struck in Northern California on Wednesday, according to the United States Geological ...

The tremor struck at 6:34 p.m. and was located 2.3 miles northwest of Cobb, a census designated place 41 miles north of Santa ...

VALLEY, 38 DEGREES IN SOUTH LAKE TAHOE. I WANT TO TAKE YOU OVER TO LAKE COUNTY, THOUGH, JUST AFTER 630 THIS EVENING, AN EARTHQUAKE WAS RECORDED JUST TO THE NORTH AND WEST OF THE COMMUNITY OF COBB ...

A map from the U.S. Geological Survey shows that 222 possible non-native species had the potential to spread in Georgia and ...

The structure of the ocean floor is extremely vast and irregular. In 1948, when Marie Tharp started working at the Lamont ...

"This number is based simply on averaging the two intervals between the three major past eruptions at Yellowstone—this is ...

In the mid-1800s, the U.S. Department of the Interior began the “great surveys” to map the vast, uncharted land of the West, ...

The giant supervolcano that lies under Yellowstone National Park is cooling off in the west but staying hot in the northeast.

People around the world greet the New Year with fireworks and other celebrations. This year, Hawaii Volcanoes National Park ...

A new study on the supervolcano percolating underneath Yellowstone National Park reaffirms it’s not about to blow and end humanity as we know it. It ...

A proposed corridor study for State Route 75 in Gray is scheduled for discussion during Thursday’s Johnson City Commission ...