An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever seasonal peak concentration of the greenhouse gas. For the first time ...

Mauna Loa Trail to Pu‘u‘ula‘ula and Red Hill Cabin will remain open, but access to and from the trailhead during work days will only be permitted before 8:30 a.m. or after 4 p.m.

Mauna Loa Trail to Puu­ulaula and Red Hill Cabin will remain open, but access to and from the trailhead during workdays will be permitted only before 8:30 a.m. and after 4 p.m.

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution — has led directly to climate change, driving sea level rise ...

The earthquake, which didn't cause a tsunami and which the U.S. Geological Survey initially reported as magnitude 6.3, was centered on Mauna Loa's southern flank at a depth of 23 miles, 1.3 miles ...

HONOLULU (KHON2) — The Hawaii Department of Health is warning residents about a recall on Mauna Loa Dark Chocolate Covered Macadamias due to the possible presence of undeclared almonds and ...

An analysis of crystals in lava from the 2022 eruption of Mauna Loa has revealed an unknown magma reservoir within the volcano, which could extend forecasts of eruptions from minutes to months ...

Mauna Loa dark chocolate covered macadamias were recalled due to the "possible presence of undeclared almonds and cashews." The macadamias were sold in 16 states, including Florida.

COURTESY FDA The 0.6-ounce bag of Mauna Loa Dark Chocolate Covered Macadamias, with UPC code 0 72992 05464 4, lot numbers K5069C1 or K5069C2, and a best by date of October 2026.

High above Kilauea, in old Mauna Loa, Pele still broods. Five years ago she hurled a 600-ft.-wide stream of lava down towards Hilo, principal city of the island of Hawaii.