Strike that iconic image of a tall, snow-capped volcano sitting atop a liquid pool of hot, molten magma. It turns out that many volcanoes prefer cold storage, a new study suggests. The findings come ...

Dr. Universe: Recently there was an online news article that mentioned cold magma that was flowing on the land. What is cold magma? – Matt, 7, Illinois When I think about volcanoes, I picture molten ...

Indonesia’s Toba supervolcano remained active for thousands of years after its massive eruption about 74,000 years ago. Some later eruptions pushed mostly solidified volcanic material to the surface, ...