The Hessian town of Amöneburg is situated on a 365-meter-high basalt cone left by an extinct volcano. It is located in a region that holds a European superlative in this regard. Traces from this era, ...

It’s a simple and popular science class experiment: a volcano made with baking soda and vinegar erupts, spewing foam onto the table. In Germany’s Eifel region, viewing the power of volcanic forces ...

Basalt, the dominant volcanic rock along the Pacific Ocean's "Ring of Fire," is considered a melting product of the Earth's mantle. On the left is vesicular basalt, in which dissolved gases formed ...