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

Using a nearly 200-year record of lava chemistry from Kīlauea and Maunaloa, Earth scientists from the University of Hawai'i ...

November 29, 2022 Mauna Loa, the world’s largest active volcano, has started to erupt for the first time in nearly four ...

Using a nearly 200-year record of lava chemistry from Kīlauea and Maunaloa, earth scientists from the University of Hawaiʻi ...

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.

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

The Department of Government Efficiency (DOGE) is now scrutinizing the National Oceanic and Atmospheric Administration (NOAA) ...

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

The Mauna Loa Observatory in Hawaii recorded the largest spike in atmospheric carbon dioxide (CO2) concentrations in 2024.

Using a nearly 200-year record of lava chemistry from Kīlauea and Maunaloa, earth scientists from the University of Hawai‘i at Mānoa and colleagues revealed that Hawai‘i’s two most active ...