Hawaii's Kilauea volcano began spewing volcanic activity this week for its 9th time with no injuries or damage reported.

Several severe weather alerts will be taking effect as a strong winter storms system approaches Hawaii. The HNN First Alert Weather Team earlier declared a First Alert Weather Day statewide from ...

A Winter Storm Warning for the Mauna Kea and Mauna Loa summits on the Big Island remains in effect through Saturday morning. As much as 18-24 inches of snow will combine with winds gusting up to 85 ...

A powerful storm that will bring heavy rain, gusty winds and flash flooding is set to hit the Hawaiian Islands Wednesday evening.

Hawaii’s Mauna Loa Observatory just captured an ominous ... efforts to reduce global greenhouse gas emissions and the damage ...

Using a nearly 200-year record of lava chemistry from Kīlauea and Mauna Loa on the Big Island, scientists from University of Hawaiʻi at Mānoa and their colleagues revealed that Hawaiʻi’s two most ...

The level of carbon dioxide in the atmosphere measured by a weather station at the Mauna Loa Observatory in Hawaii increased by 3.58 parts per million in 2024 – the biggest jump since records ...

Update at 3:36 p.m. Jan. 30: There were 34,034 homes and businesses without power at about 3:30 p.m. Thursday in Hawaiʻi County, according to FindEnergy.com, an independent organization with no ...