The center of the Earth is so hot that it could satisfy the entire world’s energy needs. But can scientists safely tap into ...

Mud volcanoes often exhibit calderas, which are large circular depressions at their summit. Detailed mapping around the Caspian Sea suggests that caldera-forming mud volcanoes are dynamically ...

NASA has released images of a vanishing "ghost island" in the Caspian Sea captured by its satellites. The Kumani Bank mud volcano, also known as Chigil-Deniz, a feature located roughly 15 miles ...