A new column of steam rises from Yellowstone. While the expansive volcano shows no hints of an eruption, magma brews beneath ...

But there is a possibility that residual underground lava tubes may still exist. Scientists think these holes are "skylights," or places where the ground above the lava tubes has caved in and ...

Video footage shows the skiers coming down the slopes with glowing, molten lava flowing in the background. One skier was also captured celebrating the feat after he propels through the snow.

HONOLULU (AP) — An erupting Hawaii volcano once again began shooting fountains of lava that reached hundreds of feet high on Tuesday. Fountains reached heights of 400 feet to 500 feet in the ...