Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale warning signs.

That happened two years ago with the world’s largest active volcano. About two months before Mauna Loa spewed rivers of ...

With the recent downgrade of the volcano alert level for Kilauea’s June 27 lava flow that has been threatening the Pahoa area, it’s interesting to take a look back at the 1880-81 Mauna Loa ...

Video: Coming in hot! Mauna Loa's lava oozes within 2.5 miles of traffic on the Big Island - at a rate 40 feet per hour Hawaii's Mauna Loa spews lava and smoke in spectacular fashion into the night.

Officials told residents to be ready to evacuate if lava flows start heading toward populated areas. Many now living in the area weren’t around when Mauna Loa last erupted 38 years ago.

(USGS Hawaiian Volcano Observatory via AP) Update: On Monday, the eruption moved into Mauna Loa’s Northeast Rift Zone and several fissures erupted with fountains of lava, sending flows running ...

Mauna Loa was still erupting Thursday morning, but the lava that was feeding the flow heading toward the crucial road has been cut off, likely because of a reduced production rate, said David ...

Mauna Loa is the world's largest active volcano when measured from the ocean floor to its peak, and scientists have warned that it is due to erupt. Situated in Hawaii, Mauna Loa is one of Earth's ...

About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby ...