The Colorado River is a vital water source for a large chunk of the West, but dust continues to impact its reliability, a ...

As people from around the world are captivated by episodic lava fountaining during the ongoing Kilauea eruption in Halema‘uma ...

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera -- located in ...

Lava fountains from a fissure in the Northeast Rift Zone of Mauna Loa during the 2022 eruption. It was the first time in 38 ...

Inspired by the volunteers who pitched in after the 2017 North Bay firestorm, a Santa Rosa woman began volunteering with the ...

NASA's Perseverance rover spots eerie skull-like rock on Mars, leaving scientists puzzled over its mysterious origins.

The intense and spectacular strombolian activity that was present at the Southeast Crater has concluded as of around 5 a.m.

The ongoing Halemaʻumaʻu eruption at Kīlauea on Hawaiʻi Island resumed with lava overflowing the south vent at 3:20 a.m. HST ...

Lava began overflowing the north vent at 3:47 a.m. Fountains this morning were over 650 feet (200 meters) high at the south ...

Scientists said “episode 18” of Kilauea volcano’s ongoing eruption restarted at 7:45 a.m. today with lava flows of 6 to 10 ...

Scientists said “episode 18” of Kilauea volcano’s ongoing eruption began and ended Wednesday night, with a lava flow that ...

Episode 18 of the ongoing Halemaʻumaʻu eruption began at 10:01 p.m. HST on April 16, 2025 when lava started overflowing from the north vent, according to the USGS Hawaiian Volcano Observatory.