The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

The state of Arizona and its picturesque landscapes have been shaped by a geological history of volcano eruptions across the region. Some of the oldest volcanic rocks in the state are 1.8 billion ...

A dedication was held recently at the Volcano Museum at Mountwood Park of the new Naylor Room addition that will be used to expand the exhibit space at the museum which details the history of the ...

It’s easy to forget that the earth below us is always changing and shifting — but sometimes, we get a dramatic demonstration of exactly that, like with the recent eruptions of a volcano in Iceland.

Emily Schwing: In 1912 a volcano in Alaska more than blew its top. Known as Novarupta, it was responsible for the most powerful volcanic eruption of the 20th century. Kristi Wallace: The reason we ...

While volcanoes have brought profound changes to landscapes here on Earth, volcanic activity on other planets and moons has followed a different path. It's easy to imagine space volcanoes as even more ...

Read about the volcano that some believe almost wiped humans off the planet Donald R. Prothero Our story begins on a very bad day about 74,000 years ago. The planet was starting to move out of one of ...

HONOLULU (KHON2) — The summit of Mauna Kea on the Hawaiʻi Island hosts the world’s largest astronomical observatory for optical, infrared and submillimeter astronomy. But Mauna Kea has a much more ...