Passing by a series of subterranean geological features named cave chocolate, cave bacon and cave popcorn, I start to wonder ...

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.

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

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

Update at 3 a.m. Feb. 2: The National Weather Service in Honolulu has canceled the wind advisory previously in effect for the ...

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

Several severe weather alerts have taken effect as a strong winter storm system moves through Hawaii.The HNN First Alert ...

Hawaiʻi is bracing for a low-pressure system that will bring strong winds and flooding today through Friday. High-wind ...

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

Using a nearly 200-year record of lava chemistry from Kīlauea and Maunaloa, earth scientists from the University of Hawaiʻi ...

Using a nearly 200-year record of lava chemistry from Kīlauea and Mauna Loa on the Big Island, scientists from University of ...

A new study reveals that Hawai‘i’s two most active volcanoes, Kīlauea and Maunaloa, share the same source of magma deep within the Earth. For years, scientists believed these volcanoes had completely ...