A new study has identified three states in the US could be hit by an earthquake and mega-tsunami in a handful of years.

A NASA-Smithsonian collaboration has revealed that carbon dioxide released from rising magma makes surrounding vegetation ...

A Virginia Tech study warns that Alaska, Hawaii, and Washington face a significant risk of megatsunamis within 50 years.

Mount St. Helens stood silent for over a century in Washington’s Cascade Range, but that all changed 45 years ago Sunday when ...

Michael Lienau, part of the first film crew documenting the aftermath of the Mount St. Helens, said the experience was a "living nightmare." ...

Prest and three other soldiers were skimming over a moonscape in a Huey helicopter, the same aircraft that was the Army’s ...

Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history.

It's been 45 years since the Mount St. Helens eruption in Washington state. British Columbians who were young adults at the ...

The mission was so remote that often the closest humans to the vessel were on the International Space Station.

Oxford researchers found that changes in shear-wave splitting can predict volcanic eruptions and their severity. The signal ...