Dear Neil: I’m seeing the landscape guys putting mounds of mulch around tree trunks in town. Is that really a good idea? It seems like it would cause decay in the wood of the trunks.

The last time Kolumbo experienced a major eruption was 1650, coughing out ash seen as far away as Turkey. Pyroclastic flows – ...

Think Hawaii is all about beaches and luaus? Think again. Mauna Loa, the world's largest active volcano, is a fiery beast that covers more than half of the Big Island — and it's still very much ...

Ponded lava from these fissures fed lava channels moving downslope, right side of ... Janice Wei/Hawai‘i Volcanoes National Park Facebook page) Episode 8 was active from the evening of Feb.

And while Earth, of course, has plenty of active volcanoes of its own, eruptions on the Jovian moon have attracted scientific interest because they are thought to be caused by very different factors.

"It appears that these magma bodies exist beneath volcanoes over their whole lifetime, not just during an active state." The magma chambers discovered in the current study aren't poised to cause ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea ...

A Hawaiian volcano looks like a scene from "The Lord of the Rings" as it spews lava this week. A United States Geological Survey (USGS) live camera captured the ongoing activity at KÄ«lauea ...

The eruption began Dec. 23 in a crater at the summit of Kilauea, one of the world’s most active volcanoes. This marks the eruption’s eighth episode. Small, sporadic spatter fountains began ...

The Axial Seamount is a shield volcano, similar to Mauna Loa in Hawaii, the world's most active volcano ... "If you were out there on a ship right over the seamount, you would never know anything ...

The good news is that because the top of the volcano is still 4,500 feet below the ocean’s surface, it poses no danger to people. “If you were in a boat right ... the most active in the ...