Learn about the largest active volcano on Earth Mauna Loa in Hawaii. Discover its massive size, eruption history, and ...

A spacecraft's-eye view over the landscapes of Mars has just given us a first-of-its-kind glimpse of the giant, ancient edifice known as Arsia Mons.

When Hawaii’s expansive Mauna Loa volcano erupted in 1935 ... Etna is a tall volcano with high slope angles. The shield volcanoes of Hawaii have far gentler slopes, making the use of explosives ...

NASA’s Mars Odyssey captured a stunning sunrise view of Arsia Mons, revealing water-ice clouds and offering insights into ...

Mauna Loa in Hawaii is an example of a shield volcano. I’m in Italy visiting a very famous volcano called Mount Vesuvius. A volcano is an opening in the Earth’s crust, which allows hot magma ...

While every national park has its charms, some are just naturally more exciting than others. That’s certainly the case at Hawaii Volcanoes National Park, as the name itself suggests. As home to ...

Kīlauea Volcano’s Halemaʻumaʻu crater began erupting again on Wednesday, with lava fountains reaching more than 1,000 feet in ...

An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever seasonal peak concentration of the greenhouse gas. For the first time ...

say eruption could end soon Scientists lowered the alert level for the Mauna Loa volcano on Hawaii's Big Island from a warning to a watch on Saturday and said the mountain's first eruption in ...