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 key site that monitors global carbon-dioxide emissions went offline for maintenance and will return later Wednesday, ...

With its beautiful beaches, rainforests, volcanic mountains, and lava deserts, the island of Hawaii is the perfect road trip ...

She wrote that it shows “an ancient eruption of Mauna Loa where the lava flowed from the mountain to the sea. The glow rises from the vapors of the lava touching the waters of the ocean.

A winter storm will bring severe weather across Hawaii beginning on Thursday, with impacts expected until Saturday morning.

There are two active volcanoes in Hawai'i Volcanoes National Park, Mauna Loa and Kilauea, but Kilauea is the real "must-see." A 4,000-foot-tall mountain, Kilauea has been active since Jan. 3 ...

Mauna Kea and Mauna Loa, slumbering volcanoes on the Big Island ... However, at just under 12,000 feet above sea level in a high Andean mountain valley, La Paz, Bolivia, makes up in altitude ...