As people from around the world are captivated by episodic lava fountaining during the ongoing Kilauea eruption in Halema‘uma ...

As we celebrate Earth Month, we are kicking off a series of retrospectives on National Academies reports and activities ...

Scientists fear an "irreplaceable" loss of key climate data as Trump's cost-cutting plans target a key CO2 monitoring site in Hawaii. Why is the Mauna Loa Observatory so important? https://p.dw ...

Mauna Loa was still erupting Thursday morning ... deputy scientist-in-charge at U.S. Geological Survey’s Hawaiian Volcano Observatory. “That’s good news for us,” Hawaii County Mayor ...

Up to two inches of snow could accumulate on the state's summits.

The largest is Mauna Loa, which is also on the Big Island ... pouring out of a vent in Kilauea's summit caldera, the Hawaiian Volcano Observatory said in a statement. The lava was contained ...

Lava fountains from a fissure in the Northeast Rift Zone of Mauna Loa during the 2022 eruption. It was the first time in 38 ...

In 1958, scientist Charles David Keeling began monitoring carbon dioxide levels at the Mauna Loa Observatory in Hawaii, providing the first clear evidence that humans were increasing atmospheric CO2 ...