Predicting when a volcano might erupt is very difficult. Some volcanoes erupt almost constantly, such as Kīlauea on Hawaii, but others may have gaps of hundreds of thousands of years between eruptions ...

Why do volcanoes erupt? - Nicholas, age 3 years and 11 months, Northmead, NSW. The rock inside the planet we live on can melt to form molten rock called magma.

In this Fun Lemon Volcanoes Science Experiments activity, children will discover how acid-base reactions erupt in bright, fizzy bursts of color, perfect for science camp, science week, or any ...

An aerial view of the Mauna Loa volcano, which erupted on the island of Hawaii in December 2022. Andrew Richard Hara/Getty Images News Curious Kids is a series for children of all ages. If you ...

A volcano is called “active” if scientists believe it could erupt in the future. People gather to watch as molten lava flows from a fissure in Iceland on March 16.

Mount Merapi is expected to erupt at any moment, and Indonesian officials have begun to evacuate people living near the volcano.

Some volcanoes erupt as lava flows, but some erupt plumes of rock fragments, volcanic glass and gas into the atmosphere. The rocks melt because of plate tectonics.

Discover interesting facts about volcanoes, including why and where they form and history's deadliest eruption.

Explore the basics of volcanic eruptions, including the main eruption types, how long an eruption lasts, and why volcanoes sometimes go dormant.

A new study explains how Nyiragongo, a volcano in the Democratic Republic of Congo, was relatively quiet before its eruption last year took everyone by surprise.

The historic Mount St. Helens eruption occurred 44 years ago, but it still remains an active volcano today.