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

Many on Maui are questioning why a policeman used fatal force in a shooting over the weekend, while others felt the officer's ...

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.

With its beautiful beaches, rainforests, volcanic mountains, and lava deserts, the island of Hawaii is the perfect road trip ...

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

November 29, 2022 Mauna Loa, the world’s largest active volcano, has started to erupt for the first time in nearly four ...

The colossal Axial Seamount, one of the most active and best-monitored underwater volcanoes in the world, could erupt in a ...

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 ...

HONOLULU, Hawaii: The Kilauea volcano in Hawaii Volcanoes National Park is erupting again for the seventh time in recent weeks.

“Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...