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

Hawaii, United States - November 29, 2022 Mauna Loa, the world’s largest active volcano, has started to erupt for the first ...

As Kilauea erupts a 330-foot-tall fountain of lava, officials warn of hazards from volcanic gas that may affect nearby ...

The USGS Hawaiian Volcano Observatory spearheads Volcano Awareness Month each January on the Island of Hawaii. This year, in ...

A key site that monitors global carbon-dioxide emissions went offline for maintenance and will return later Wednesday, according to the National Oceanic and Atmospheric Administration.

Añaza Nielsen, in 11th grade, won with their colored pencil artwork titled “Volcanic Activity,” which they wrote depicts the 2022 Mauna Loa eruption. “This artwork represents the thermal ...

What is the collective noun for a group of volcano scientists? While some tongue-in-cheek responses might be “an eruption of ...

A winter storm will bring severe weather across Hawaii beginning on Thursday, with impacts expected until Saturday morning.

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 ...

The change measured by the Mauna Loa Observatory was likely driven by wildfires and continued burning of fossil fuels, scientists say Sara Hashemi Daily Correspondent The Mauna Loa Observatory in ...