Some volcanoes, such as the Cascade volcanoes up in Washington and Oregon, are of the type called a stratovolcano. These steep volcanoes sometimes erupt explosively and other times have calmer lava ...

A unique phenomenon appeared in an Upstate New York park as frigid temperatures consumed the Northern Tier of the U.S. and ...

SIOUX CITY (KTIV) - Gather your supplies! In this episode we will use everyday materials to learn about the formation of volcanoes. Volcanoes are openings where lava, small rocks, and gas erupt from ...

How to make a model volcano erupt is a popular and exciting topic for school science projects because it clearly demonstrates ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...

For decades, volcanologists believed that the primary trigger for explosive eruptions was a drop in pressure as magma rises toward the surface. When pressure falls, gases dissolved deep within the ...