Editor’s note: The KOIN 6 Weather team is presenting weather and science lessons to help serve our teachers and students. Click here for more lessons. PORTLAND, Ore. (KOIN) – The mighty mountains of ...

Volcanoes are grouped into four types: cinder cones, composite volcanoes, shield volcanoes and lava volcanoes. Cinder cones are circular or oval cones made up of small fragments of lava from a single ...

Mount Etna's strange lava has long perplexed scientists, but new research reveals that the volcano formed in a bizarre way — ...

A series of mysterious eruptions in the western Pacific could be caused by a new type of volcano, a new study suggests. Subscribe to read this story ad-free Get unlimited access to ad-free articles ...

This makes Etna an enigma. Despite its long historical record – plus extensive monitoring and research in modern times – no ...

There are many different kinds of volcanoes, ranging from the Hawaiian type, which produces gentle, effusive eruptions that tourists can observe from mere steps away, to the andesitic variety, which ...

On Nov. 27, 2022, Mauna Loa – the world’s largest active volcano – erupted on the island of Hawaii. For days, fountains of lava, boiling at more than 2,000 degrees Fahrenheit (1,100 degrees Celsius), ...

Earth has four main layers. Earth’s innermost layer is a solid core made from iron. It’s outer core is a molten mixture of iron and nickel. These layers are surrounded by Earth’s mantle, the mushy ...

Named for the volcanoes in Hawaii, these are the least explosive type of eruptions. Very fluid lava is erupted, usually in the form of lava flows and lava fountains. These are named after the ...