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

The Axial Seamount is a shield volcano, akin to Mauna Loa in Hawaii, the world's most active volcano. Shield volcanoes typically produce runny lava flows resulting in gentle slopes, earning their ...

Residents and visitors alike have been watching episodic lava fountains in Halema‘uma‘u at the summit of Kilauea since late ...

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

A key site that monitors global carbon-dioxide emissions went offline for maintenance and will return later Wednesday, according to the National Oceanic and Atmospheric Administration.Most Read from B ...

Passing by a series of subterranean geological features named cave chocolate, cave bacon and cave popcorn, I start to wonder ...