After volcanic eruptions on the Big Island, hot lava would flow down to the ocean where it would cool and create intricate networks of lava tubes. Today, when the ocean waves are pressurized in ...

“There’s still no concrete proof that there is any other lava flow on Earth that is bigger than the Greenstone Flow.” Parts of the Keweenaw show basalt up to 1,200 feet thick, meaning the molten rock ...

After this lava delta collapsed, new lava spewed from the tube like a fire hose into the ocean 60 feet below. This story appears in the June 2017 issue of National Geographic magazine. Veteran ...

A river of lava is flowing from the Cumbre Vieja volcano on Spain's La Palma island after the north side of the crater collapsed. It's pouring into the ocean and expanding the coastline as it cools.

Red-hot lava flowed into the Atlantic Ocean surrounding the island of La Palma in Spain on Wednesday morning. The molten rock stream came from the Cumbre Vieja volcano, which has been erupting ...

A super-Earth that completes its orbit in 18 hours, possibly covered in a molten lava ocean due to its extreme heat.

Several past eruptions were characterized by similar lava fountaining episodes, including at the start of the Puʻuʻōʻō ...