Most consider Mount Everest to be the world's tallest mountain, but a few other mountains are also in the conversation.

Scientists from the USGS Hawaiian Volcano Observatory are collaborating with academic colleagues to make field experiences in ...

Recently, Hawai’i experienced the eruption of Mauna Loa and Mauna Kea. These events were small and drew huge numbers of ...

Nearly five years ago, the staff of the U.S. Geological Survey Hawaiian Volcano Observatory was forced to move from its ...

With Mauna Loa continuing to be quiet since its first eruption in 38 years ended Dec. 13, Hawaiian Volcano Observatory officials have lowered the volcano's alert level from advisory to normal and ...

The Hawaiian Volcano Observatory has downgraded its alert level for Mauna Loa after more than three months of calm.

Observers spotted UFO look-alike clouds in Hawaiian skies above the Mauna Kea and Mauna Loa volcanoes. The photos were taken ...

Hawaii's volcano Kilauea has stopping erupting, and scientists reversed a previous warning. Seismic activity has stabilized ...

Hawaii Island Mayor Mitch Roth broke down the work the county has into three categories: reformation, resilience and ...

Hawaii Island mayor delivers State of the County address. Hawaii Island mayor delivers State of the County address #LIVE: ...

Hawaii's Kilauea Volcano is no longer erupting, according to the U.S. Geological Survey. This comes just one day after a research team found a magma intrusion under the summit prompting the same ...

Hawaii’s second-largest volcano is likely to resume erupting soon after a brief pause. The U.S. Geological Survey said ...