The over 8-meter (more than 26-foot) wide Gemini telescope, which NASA notes is one of the world’s most advanced ...

Yet, if you measure a mountain from its base to its peak, then the 33,500-foot (10,211-meter) Mauna Kea, an inactive shield ...

U.S. Geological Survey graphic Over the last 13,000 years, Haleakala, considered a waning post-shield volcano, has erupted only 10 percent of the volume of the 8,000-foot Hualalai on the Big ...

A shield volcano is a type of volcano named for its low profile, resembling a warrior's shield lying on the ground. It is formed by the eruption of highly fluid (low viscosity) lava, which travels ...

Discover the tallest mountain in our solar system. Learn about its massive size, volcanic activity, and unique features that ...

Olympus Mons on Mars, the tallest and largest volcano in our solar system, stands at 16 miles high and 374 miles wide. Found ...

Olympus Mons, Mars' immense shield volcano, towers 21 kilometers above its surface, dwarfing Earth's Mount Everest. Covering ...

There are two main types of volcano - composite and shield. The two types of volcano form in different places and have very different characteristics. Ash released from shield volcanoes often ...

Kilauea is a highly active shield volcano, estimated to be between 210,000 and 280,000 years old, having emerged from the sea about 100,000 years ago. Its last major eruption occurred between May ...

What's more, you'll spend one night at Volcano House, a hotel on the rim of Kilauea. (When the shield volcano is active, you can take a nighttime stroll to see the lava flow.) Travelers say the ...

Image caption, This is lava running from a shield volcano - a volcano formed where the tectonic plates move away from each other. Shield volcanoes on the other hand form at constructive tectonic ...

Choosing your volcano wisely. Not all volcanoes are created equal for every adventurer. Some provide gentle hikes with ...