volcanism
What is the Difference Between Active and Dormant Volcanoes?
Whether a volcano is active or dormant is complicated, as these geological features can have very long lifespans that go…
What is the Earth’s Mantle Made Of?
Like all the other terrestrial planets, (Mercury, Venus, and Mars) the Earth is made up of many layers. This is…
Warm, Flowing Water on Mars Was Episodic, Study Suggests
Though the surface of Mars is a dry, dessicated and bitterly cold place today, it is strongly believed that the planet once…
Mercury Had Quite The Explosive Past, Spacecraft Analysis Shows
Mercury -- a planet once thought to have no volcanism at all -- likely had a very active past, a…
MESSENGER Sees a Smoother Side of Mercury
During its two years in orbit around Mercury -- as well as several more years performing flybys -- the MESSENGER…
Volcanoes on Venus May Still Be Active
Recent infrared data from an instrument on the Venus Express spacecraft indicate there could be active volcanism on Venus. "We…
Mantle Plume
[/caption] One of the mysteries of Earth science is hotspots. While most volcanoes are found at plate boundaries, where two…
Barcena Volcano
[/caption] Barcena is a volcano located on the island of San Benedicto, the third largest island of the Revillagigedo Islands.…
What are Active Volcanoes?
Geologists classify volcanoes into three distinct groups: dormant, extinct and active volcanoes. Dormant volcanoes haven't erupted in a long time,…