“Noctis Mons” is the seventh-largest volcano on Mars, the biggest being this one pictured—Olympus Mons (artist's impression). Scientists have discovered a massive, deeply eroded giant shield volcano ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

Deep below the Earth's surface, magma is churning and flowing into the Axial Seamount, an underwater shield volcano about 300 miles off the coast of Oregon. As the volcano grows and tremors increase, ...

This MCC image, taken on September 03, 2015 at an altitude of 6144 km with a resolution of 320 m, shows an intermediate sized shield volcano known as Tharsis Tholus. It is located in the eastern ...