Yellowstone National Park is noted for the geothermal marvels, but it is the threat below ground that holds the attention.

The City of Beaumont Water Department reduced the flow of water from a main break that turned into a geyser Tuesday afternoon ...

Ranger naturalist George D. Marler meticulously documented changes in hydrothermal activity in the geyser basins of ...

Axial Seamount is a young, 30 million-year-old undersea volcano in the Pacific Ocean off the U.S. coast, and it’s expected to ...

After 30 years of calm, firms have little if any institutional memory of more volatile times. But amid rising gilts, that now ...

Site of half the world's active geysers and about the same size as Cyprus, Yellowstone National Park's scenery and wildlife make it one of the biggest draws for tourists in the US.But those famous hot ...

Yellowstone’s supervolcano is showing signs of awakening after 160,000 years. Find out how scientists are tracking magma ...