This little-known fact is surfacing at the state Legislature as lawmakers wrestle over legislation that would force macadamia-nut processors of iconic brands like Mauna Loa to disclose whether ...

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 ...

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

Watch: World's largest volcano erupts for first time since 1984 The world's largest active volcano, Hawaii's Mauna Loa, has erupted for the first time in almost 40 years. The lava flow is mostly ...

That happened two years ago with the world's largest active volcano. About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby and ...