Volunteer for a Free Well Water Sample! The Colorado Geological Survey, funded by the Colorado Department of Public Health & Environment, is conducting a baseline study on radionuclides and ...

Delhi's Ridge, a vital green lung and natural air purifier, faces relentless threats from expansion, commercialization, and ...

The sediments underlying the Salt Lake Valley are thicker in places than previously thought, indicating that current seismic ...

The U.S. Geological Survey has been tracking a swarm of recent earthquakes in the Frank Church River of No Return Wilderness.

A webcam captured a small eruption at Yellowstone National Park's Biscuit Basin, one year after a larger, more dangerous explosion in the same area.

North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new ...

Greek Emergency Management warned of a possible tsunami risk after the quake. A 6.1 magnitude earthquake was reported near Greece early Wednesday local time, according to the United States ...

In the twilight depths of the Gulf of Mexico, about as deep down as a football field is long, U.S. Navy divers carefully snip ...

“The Juneau Flood Dashboard provides a new way to visualize flood inundation maps,” said Eran Hood, a hydrologist and UAS ...

A small earthquake was reported near Borrego Springs Wednesday morning. The 3.2-magnitude earthquake struck at 9:30 a.m.

Learn more about the top unique outdoor adventures for families in Western Nebraska that you'll want to visit during your ...