Some scientists think we can better understand volcanoes by learning how the gaseous vortexes emerge. By Carolyn Wilke Some volcanoes perform a rather subtle trick: blowing rings of vapor that waft ...

Sapphires are among the most precious gems, yet they consist solely of chemically 'contaminated' aluminum oxide, or corundum. It is widely assumed that these crystals with their characteristically ...

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 ...

These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery. Mount Etna—located in Catania, Italy—is one of the rare volcanoes that can blow ...

Hawaiian Volcano Observatory and National Weather Service staff rapidly deployed local seismic sensors in the Manuʻa and Tutuila islands, which revealed hundreds of earthquakes per day were occurring ...

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 ...

The moon could contain massive slabs of ice at its north and south poles formed from the steam of vast ancient volcanoes, according to new research. If the new predictions are correct, it opens up the ...

Iron particles, from meteorites or volcanic ash, could have catalyzed the chemical reactions that formed the building blocks of life over four billion years ago on Earth, a new study suggests. The ...

The glaciated tops of columns in the Devil's Postpile of California. Photo by Erik Klemetti. Last week, Commander Chris Hadfield (of International Space Station fame) tweeted this image, asking what ...