Mauna Loa, the world's largest active volcano, is the mighty giant of Hawaii that's still bubbling away, waiting to be explored.

The USGS Hawaiian Volcano Observatory spearheads Volcano Awareness Month each January on the Island of Hawaii. This year, in ...

A volcano in Hawaii started spitting lava again Jan. 27 in its seventh eruptive episode in a little more than a month, officials said. And experts are warning visitors flocking to Kilauea, the volcano ...