Hawaii Volcanoes National Park encompasses the summits of two of the world’s most active volcanoes: Kilauea and Mauna Loa. Kilauea also erupted in June and September.

Hawaii’s Mauna Loa Observatory just captured an ominous sign about the pace of global warming. Atmospheric levels of ...

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 ...

There are two active volcanoes in Hawai'i Volcanoes National Park, Mauna Loa and Kilauea, but Kilauea is the real "must-see." A 4,000-foot-tall mountain, Kilauea has been active since Jan. 3 ...