Mauna Loa is one of five volcanoes that together make up the Big Island of Hawaii, which is the southernmost island in the Hawaiian archipelago. Mauna Loa, rising 13,679 feet (4,169 meters) above ...

The greenhouse effect was discovered more than 150 years ago and the first scientific paper linking carbon dioxide levels in ...

Heading to the Big Island and hoping to see real lava on your Hawaiian vacation? Scroll to find out everything you need to ...

Mauna Loa is one of five volcanoes that together make up the Big Island of Hawaii, which is the southernmost island in the Hawaiian archipelago. It's not the tallest (that title goes to Mauna Kea ...

Hawaii's Mauna Loa volcano, background, towers over the summit crater of Kilauea volcano in Hawaii Volcanoes National Park on the Big Island on April 25, 2019. Caleb Jones/AP, FILE.

Hawaiian volcanoes suddenly go quiet, but scientists don’t know exactly why. The pause in Mauna Loa and Kilauea’s eruptions highlights broader challenges experts face in understanding when and ...

Several flight operations are planned for July: Between 6 and 11 a.m. July 8: Ungulate survey at between 2,000 and 6,000 feet ...

If you feel brave enough to hike the world's largest active volcano, head to Hawaii's Big Island for a 13,681-foot-high multi-day trek through the wilderness.

Hawaii's Mauna Loa, the world's largest active volcano, started erupting Sunday night and lava was flowing from its summit by Monday morning, the U.S. Geological Survey said.

Mauna Loa Volcano in Hawaii Erupts for the First Time in Nearly 40 Years. No evacuation orders were issued, but officials advised residents to review their preparedness plans.