What is the difference between active and dormant volcanoes?

Volcanoes are an impressive force of nature. Physically, they dominate the landscape, and have an active role in shaping our planet's geography. When they are actively erupting, they are an extremely dangerous and destructive ...

Image: Proba-V view of Hawaii

ESA's Proba-V minisatellite gazes down at Earth's largest volcano – Mauna Loa, or 'long mountain' which covers half of the island of Hawaii.

Battered Tharsis Tholus volcano on Mars

(PhysOrg.com) -- The latest image released from Mars Express reveals a large extinct volcano that has been battered and deformed over the aeons.

Earth's highest coastal mountain on the move

(PhysOrg.com) -- The rocks of Colombia's Sierra Nevada de Santa Marta—the highest coastal mountain on Earth—tell a fascinating tale: The mountain collides and then separates from former super-continents. Volcanoes are ...

Lost World Found in Papua New Guinea Volcano

(PhysOrg.com) -- A BBC expedition exploring inside the crater of an extinct volcano in Papua New Guinea (PNG) has discovered a lost world of dozens of weird new species and rare animals, including new frogs, a giant rat, ...