On a remote island in the central Aleutians, lava has been oozing out of Great Sitkin’s summit crater for more than five ...

What can lava planets, rocky exoplanets that are tidally locked and orbit so close to their stars that the intense heat melts the surface, teach astronomers about planetary formation and evolution?

A rare satellite view reveals the persistent lava lake inside Mount Michael, an active volcano on remote Saunders Island near ...

Some planets orbit so close to their stars that intense radiation should strip away their atmospheres. Yet several of these scorching, lava-covered worlds still retain thick gaseous envelopes, ...

This article was originally featured on The Conversation. Fountains of lava erupted from the Sundhnúkur volcanic system in southwest Iceland on Jan. 14, 2024. As the world watched on webcams and ...

After weeks of spewing ash and lava, Hawaii’s Kilauea volcano is now shooting green crystals into the air. The tiny green gems, known as olivines, have been discovered by residents living on Hawaii’s ...

Kilauea’s 2018 eruption gave a surprising boost to ocean algae. Metals in the lava could have helped fuel a 150-kilometer-long phytoplankton bloom off the coast of Hawaii — but unexpectedly, heat was ...

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When the Kilauea Volcano on the Big Island of Hawaii erupted in July, a “lava bomb” flew into the sky when the lava flowed into the sea and crashed onto a tourist boat that was anchored offshore.

Caves and volcanoes don’t often go hand-in-hand in our imaginations. When we think of caves, we imagine still, dark spaces underground. Volcanoes, on the other hand, loom above us with a threatening ...