The Greek island of Santorini was shaken by thousands of mostly smaller-scale temblors. Now, residents have returned, and ...

But they can also form in other ways, like in volcanic eruptions and meteorite strikes. When droplets of molten rock are thrown into the air by volcanoes or impacts, they cool as they travel ...

As the most discerning, up-to-the-minute voice in all things travel, Condé Nast Traveler is the global citizen’s bible and muse, offering both inspiration and vital intel. We understand that ...

The most recent active phase continued from midday Tuesday until Wednesday evening, as the U.S. Geological Survey confirmed.

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