When a volcano starts flaring up, sputtering and spewing emissions into the atmosphere, vog often develops. Posted: January ...

Vog forms when sulfur dioxide (SO₂) and other volcanic gases react chemically with atmospheric moisture, oxygen, sunlight, ...

PHOTO BY M. ZOELLER / COURTESY USGS A Hawaiian Volcano Observatory geologist is silhouetted by the illuminated gas plume emanating from Halemaumau crater on Wednesday during the fifth episode of ...

(ABC 6 News) — In Hawaii, the world’s most active volcano resumed its latest eruption on Wednesday night. This is the fifth episode from the Kilauea volcano since it started to erupt just before ...