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

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

Using a nearly 200-year record of lava chemistry from Kīlauea and Mauna Loa on the Big Island, scientists from University of ...

Although it usually happens once or twice a year, this will be a very big snow for the tops of the volcanoes in Hawaii. One to two feet of snow will be possible.

The change measured by the Mauna Loa Observatory was likely driven by wildfires and continued burning of fossil fuels, ...

Several severe weather alerts have taken effect as a strong winter storm system approaches Hawaii. The HNN First Alert ...

A new study reveals that Hawai‘i’s two most active volcanoes, Kīlauea and Maunaloa, share the same source of magma deep within the Earth. For years, scientists believed these volcanoes had completely ...

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

Wildfires and fossil fuel burning in 2024 contributed to the biggest annual rise in atmospheric CO2 levels ever recorded at the Mauna Loa Observatory in Hawaii ...

Carbon dioxide in the atmosphere is increasing at rates that are incompatible with staying below 1.5 degrees Celsius (34.7 ...

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