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 ...

After suspecting the presence of a series of underwater volcanoes near the Cook Islands, researchers have now mapped out the newly discovered structures.

What does this mean? We look at why volcanoes exist in the first place, and why some erupt when others don't. Volcanoes are formed when magma (liquid rock) trapped underneath the Earth’s crust ...

The movement of these tectonic plates leads to earthquakes and volcanoes forming. Inner core The inner core is 2900 km below the Earth’s surface, in the centre of the Earth, and is the hottest ...

Lenox-Conyngham described “Montserrat and the West Indian Volcanoes”. The island of Montserrat has recently suffered from a series of earthquakes. They began about the beginning of 1934 and ...

Because salt has been detected on Mars, it is likely that Martian mudflows are also salty, much like Earth’s mud volcanoes, ...

Life on Mars could have thrived near active volcanoes and an ancient mile-deep lake — Strange sphere-studded rock on Mars found by NASA's Perseverance rover — 'Poppy seeds' and 'leopard spots ...

This photo provided by Janice Wei shows Candi Hololio Johnson, left, and Kim Kozuma, both on horseback, as they watch lava shooting out of Kilauea volcano's summit caldera inside Hawaii Volcanoes ...

This image from webcam footage provided by the United States Geological Survey (USGS) shows lava shooting up high during an ongoing eruption of Kilauea volcano inside Hawaii Volcanoes National ...