The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano might erupt again.

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat levels.

Using advanced technology that analyzes tiny gas bubbles trapped in crystal, a team of scientists has precisely mapped how magma storage evolves as Hawaiian volcanoes age.

( KTLA) — In-N-Out, the popular burger chain headquartered in Irvine, California, has confirmed it is changing the recipes ...

Though perhaps not well known to the general public, Axial Seamount is considered a key window into Earth's geology. Axial is significant because it sits atop the Juan de Fuca Ridge, the region where ...

NEW YORK (AP) — Ford is recalling nearly 274,000 of its Expedition and Lincoln-branded Navigator SUVs across the U.S. due to an issue that may cause a loss of brake function while driving, increasing ...

An underwater volcano off the Oregon coast is showing signs it may erupt, but scientists say an eruption poses little risk to ...

( NewsNation) — An underwater volcano that is nearly 300 miles off Oregon’s coast is set to erupt very soon. For decades, ...

A restive volcano in central Philippines has briefly erupted, spewing a 2.8-mile ash plume and debris into the sky. The Philippine Institute of Volcanology and Seismology said a moderately explosive ...

A major U.S. city is under threat from a potential volcanic eruption after more than 20 earthquakes were recorded in Alaska.