Researchers recently discovered a huge chain of extinct volcanoes buried deep below South China that formed when two tectonic plates collided during the breakup of Rodinia, around 800 million years ...

Deep in southeastern Iran, a remote volcanic massif that most of the world had never heard of is suddenly demanding attention. After roughly 700,000 years without a known eruption, Mount Taftan is ...

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 measures 310,000 square kilometres (119,000 square miles) and its ‘roots’ extend around 30 kilometres (18 miles) into the Earth’s crust. (For comparison, the US state of Washington is 184,661 ...