National Geographic News, Reporting Your World Daily

Sunday, November 22, 2009

Photo: Yellowstone Geysers May Stop Erupting, Study Suggests


Email to a Friend	<< Back to Full Story

Old Faithful—Yellowstone National Park's most famous geyser—erupts in winter in an undated photo.

Research released in July 2008 suggests that the clockwork-regular eruptions at Yellowstone are slowing down—and may even stop—because of global-warming-related dry spells.

Photograph by Norbert Rosing