Scientists make a surprising discovery about the Red Planet by playing with mud in the laboratory.
Tags: geology mars volcanoes space-exploration
Experts say the man's brain, found in the Roman town of Herculaneum, was affected by extreme heat.
Tags: volcanoes naples
The UK volcanologist John Murray has painstakingly measured Mt Etna for half a century.
Tags: volcanoes earth-science sicily
The mass of pumice, the size of Manhattan, is believed to come from an underwater volcano near Tonga.
Tags: volcanoes australia pacific-ocean
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