Seismologist says recent cluster of three earthquakes appears normal for Montana, with no indication of larger events coming ...

The bulge first appeared in 1996 and has now returned, but Yellowstone Volcano Observatory says there's no cause for alarm.

Valentine Geyser in the Norris Geyser Basin in Yellowstone National Park unexpectedly sprang to life again with 13 documented ...

There appears to be a massive bulge forming along Yellowstone's caldera, indicating activity within the supervolcano's magma chamber.

Yellowstone National Park sits atop one of Earth’s largest volcanic systems, and right now that system is slowly reshaping the ground. Instruments show that the Yellowstone caldera is inflating into a ...

Visual observations have been a backbone of volcano research more than 2,000 years and remain fundamental to understanding how volcanoes work. Technological advancements — such as livestreaming ...

Most webcams used by the USGS Hawaiian Volcano Observatory take a snapshot every few minutes to conserve bandwidth, but three webcams are currently “livestreaming” — meaning they transmit real-time ...

WEST YELLOWSTONE, Mont. — A historic theater space with deep local roots is being brought back to life as a new generation prepares to reopen it this summer. The Yellowstone Westgate Theatre, located ...

This may be the only kind of traffic jam that doesn’t tempt you to honk your horn. A driver in Yellowstone National Park was happy to stop and wait while a herd of bison emerged from the forest for a ...

Netflix’s “Skycraper Live” went off without a hitch, as professional rock climber Alex Honnold successfully climbed one of the tallest buildings in the world without ropes or a safety net. He ...

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Add Yahoo as a preferred source to see more of our stories on Google. Later today (well, tomorrow in Taiwan), “Free Solo” climber Alex Honnold will start his ascent on the 1,677-foot Taipei 101 ...