For centuries, Mount Taftan has been considered dormant volcano, a quiet sentinel in the Makran region of southeastern Iran. But recent satellite data shows subtle signs of swelling at its summit, ...

High in the Central Andes, a geological enigma lies dormant. Uturuncu volcano in Bolivia hasn’t erupted in over 250,000 years. It is also known as a “zombie” volcano because it still exhibits ...

An underwater volcano in the Pacific Northwest is expected to erupt sometime this year for the first time in 11 years — and it could stir up lots of activity for marine life in the area. The volcano, ...