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 ...

Because it accounts for over 51 per cent of the island's land mass, an eruption could have dramatic impacts on the residents, Magno said. Mauna Loa is a "shield volcano" - one that is particularly ...

Mauna Loa in Hawaii has long reigned at the world's largest shield volcano, but it might need to acknowledge a new champion in that category.

Kamaʻehuakanaloa (formerly Lōʻihi Seamount), a submarine Hawaiian volcano located about 20 miles off the south coast of the Big Island of Hawai'i, has erupted at least five times in the last ...

Mariner 9, the first spacecraft to orbit another planet, arrived at Mars on Nov. 14, 1971, and returned remarkable images of the surface. This shield volcano on the Red Planet's surface reveals a ...

The largest volcano on earth – and possibly the second largest in the entire solar system - has been discovered off the coast of Japan. With a footprint of roughly 120,000 square miles the ...