Photo: Yellowstone Geysers May Stop Erupting, Study Suggests



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


NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

50 Drives of a Lifetime

National Geographic Traveler has scoured the globe for the world's most beautiful, interesting, and off-beat road trips. Dive in to get drive directions, quizzes, photos, and more.