Mauna Loa, the world's largest volcano, began spewing molten rock Nov. 27 after being quiet for 38 years. Lava-viewers enjoyed the rare marvel of being able to see Kilauea erupting at the same time.

The greenhouse effect was discovered more than 150 years ago and the first scientific paper linking carbon dioxide levels in ...

Hawaii's Mauna Loa, the world's largest active volcano, started erupting Sunday night and lava was flowing from its summit by Monday morning, the U.S. Geological Survey said.

The world's largest active volcano, Mauna Loa on Hawaii's Big Island, has started to erupt for the first time since March to April 1984, ending its longest known quiet period ever.

Mauna Loa, the world's largest volcano, started erupting for the first time in nearly four decades on Nov. 27 and posed a threat to a major highway on Hawaii's Big Island that connects the east ...

Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

Nahuku Thurston Lava Tube in Hawaii Volcanoes National Park is one of the most amazing natural wonders you can visit and ...

Several flight operations are planned for July: Between 6 and 11 a.m. July 8: Ungulate survey at between 2,000 and 6,000 feet ...

Jets of searing hot molten lava spewed more than 1,000 feet into the Hawaiian air Friday from the Kilauea volcano.

If you’ve been following the ongoing episodic summit eruption of Kīlauea volcano on the Big Island, you might have seen the ...

Discover the history and importance of Mauna Loa in monitoring CO₂ levels and the impact of defunding climate monitoring ...