In early February 2026, repeated surges of the geyser began—as before, with the surface becoming agitated and releasing more ...

The geyser is likely to fall back into dormancy soon, but there's a slim chance the spectacular eruptions will continue into ...

The world's largest acidic geyser has begun erupting again in Yellowstone after slumbering for over five years, the national park said Monday.

BILLINGS, Mont. — A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a little-known ...

MISSOULA, Mont. — NBC MT Today: Conflict in Iran, Butte-Silver Bow disease rates, baby Clydesdale ...