Mauna Loa, the world's largest active volcano, is the mighty giant of Hawaii that's still bubbling away, waiting to be explored.

The Pliocene epoch, which lasted from 5.3 million to 2.6 million years ago, was a consequential time in Earth's history. The ...

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 ...

Originally formed in 1881 by lava flow from Mauna Loa, the caves are now accessible to visitors via a metal ladder. The caves can be wet, dark and muddy, so proceed with caution and pack a ...

HONOLULU, Hawaii: The Kilauea volcano in Hawaii Volcanoes National Park is erupting again for the seventh time in recent weeks.

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 ...

Mauna Loa in Hawaii is an example of a shield volcano. I’m in Italy visiting a very famous volcano called Mount Vesuvius. A volcano is an opening in the Earth’s crust, which allows hot magma ...

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 ...