Magma becomes lava when it rises up to the Earth’s surface, like when the Nyiragongo volcano erupted in the Democratic ...

While many rocks don’t burn, some of them do. It depends on what the rocks are made of – and that’s related to how they were formed. Rocks that burn when they get heated up are combusting. This means ...

A massive "superstructure" of igneous rock lurking below the surface of the Pacific Ocean, east of the Solomon Islands, has long puzzled scientists. The structure, dubbed the Melanesian Border Plateau ...

A study recently published in Nature Geosciencehas solved the mystery of a 60-million-year-old volcanic trail stretching from ...

In my last column, I wrote about the locations where you can find igneous rocks that were formed from lava. The metarhyolite and metabasalt described in the column are known as extrusive rocks, those ...