LUMAJANG - Indonesia’s Mount Semeru - located in Lumajang regency, East Java - erupted again on the evening of Dec 8, sending an ash column 1,000m above its summit and producing molten lava flows.

A new analysis aims to answer a longstanding question about why the plague reached Europe when it did—and why it spread so quickly. The plague known as the Black Death arrived in southern Europe in ...

Twenty-three hundred years ago, when Euclid and Archimedes wandered Alexandria, and Cleopatra's family controlled the Egyptian throne, revolts and territorial disputes were common. These uprisings ...

This is one of the most outstanding volcanic regions in the world, with a high density of active volcanoes, a variety of types, and a wide range of related features. The six sites included in the ...

Cartoons from earlier can be viewed here.