This screengrab made from handout video provided by the United States Geological Survey (USGS), shows a view from ...

In ʻŌlelo Hawaiʻi, or the Hawaiian language, we might call them puahiohio, or whirlwinds. In meteorological terms, these small twisters are technically dust devils, or more precisely, ash devils, ...

An earthquake swarm 35 miles (55 kilometers) beneath Kilauea in August 1959 was followed in October by ground swelling ...

Often spotted by onlookers in Hawai‘i Volcanoes National Park, or even by YouTube livestream viewers, the long, ashy gray or brown, ropy cloud-like structures tend to appear near or downwind of active ...

Hawaii Volcanoes National Park Hikes will put you in the heart of this park's (Or Pele's) fiery past, present, and futur ...

Rain will continue through today, likely a good portion of Tuesday (Jan. 6) — at times becoming torrential — and possibly ...

Snow coated the roads on Mauna Kea, a dormant volcano on Hawaii's Big Island Monday, as a storm known as a Kona Low dumped ...

The United States is home to 14 national parks that are also designated UNESCO World Heritage Sites. Can you name them?

Let’s image the simplest, most boring volcano possible. It consists of a magma balloon fed by a straw. The ground is perfectly flat above the balloon. Magma comes up the straw at a constant ...

Snow accumulation at the summit of Mauna Loa, an active volcano on the Island of Hawaii, was visible from a satellite early ...

Timelapse imagery captured snow accumulating at the summit caldera of Mauna Loa, an active volcano on the Island of Hawaii, ...