The eruption of the Mauna Loa volcano in the US state of Hawaii prompted residents and tourists to visit the site to witness the rare scene. It is the world’s largest active volcano. After its ...

A recent study on the ancient glaciers of Mauna Kea on Hawaii Island has revealed important insights about how past climate ...

Scientists lower Mauna Loa alert level, say eruption could end soon Scientists lowered the alert level for the Mauna Loa volcano on Hawaii's Big Island from a warning to a watch on Saturday and ...

His father, Charles David Keeling, used Mauna Loa measurements to establish the famed Keeling Curve — a graph showing the accumulation of carbon dioxide in Earth’s atmosphere from 1958 up to ...

Hawaii officials are bracing for eruptions from the world’s largest — long dormant — volcano to continue for “a couple of weeks” Johnny Dodd is a senior writer at PEOPLE, who focuses on ...

NOAA, the nation’s leading climate science agency, may lose dozens of offices, including one that is key to the Mauna Loa Observatory in Hawaii. By Austyn Gaffney On the flanks of the largest ...

About 5 miles from downtown Hilo, on Kaumana Drive, you'll find the Kaumana Caves. Originally formed in 1881 by lava flow from Mauna Loa, the caves are now accessible to visitors via a metal ladder.