exposing the mouth of a lava tube. A lava delta is created when molten rock reaches a flat area and spreads out in multiple directions like a fan. After this lava delta collapsed, new lava spewed ...

Craters of the Moon may not have the towering peaks of other volcanic parks like Lassen, but its complex system of preserved ...

Jeju Volcanic Island and Lava Tubes together comprise three sites that make up 18,846 ha. It includes Geomunoreum, regarded as the finest lava tube system of caves anywhere, with its multicoloured ...

Now, researchers from the Japanese space agency JAXA have proposed a possible solution: Using the naturally-occurring hollow lava tubes on the lunar surface as makeshift shelters. After some ...

A man in Hawaii has died after falling down a "lava tube" - a tunnel formed by volcanic eruptions - while trimming trees on his property. Police say the 71-year-old had apparently fallen about ...

Lava River Cave is located almost 20 miles northwest of downtown Flagstaff off of U.S. Route 180. Visiting is free. Although ...

For a unique adventure along the Road to Hana, stop for a self-guided tour of the Hana Lava Tube, which can be found near mile marker 31. It takes no more than 40 minutes to explore about 1/3-mile ...

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far.

A lava tube may also form, beneath the surface of the ground, when low viscosity lava develops a hard crust through which lava flows.

It begins at Crater Lake National Park in southern Oregon and ends around Lassen ... Lava flows cooled on the outside edges, ...

In 1977 lava raced down the mountain at more than 60 miles an hour, the fastest ever observed. Several hundred people died, even though the flow had hardened before it reached the main part of the ...