Witnesses describe seeing the manholes releasing smoke, before the cover was blown off, with a brief fiery explosion.

The explosion sent several people to the hospital including firefighters. Buyout blocked: Judge extends pause on Trump federal worker plan Interesting: These 5 US State Capitals Lack A Dedicated ...

Yellowstone Park is a popular destination for geology field trips. It’s easy to see why — the dynamic landscape contains a ...

Can you stand under Niagara Falls with your mouth open to get a drink of water? This wild thought approximates the sociological-technological explosion of 1908. The world turned upside down ...

Glacier National Park and Yellowstone National Park provide a combined $1.3 billion boost to Montana's economy ...

Scientists say it is not likely the Yellowstone Volcano will erupt anytime soon - in the video below, John Sherer reports on ...

Scientists have assessed Yellowstone's chances of eruption by measuring electronic currents flowing deep within the Earth ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

The chief scientist of the Yellowstone Volcano Observatory, Dr. Michael Poland, says he's not worried about an imminent eruption of the volcano under Yellowstone National Park.

Dr. Michael Poland with the Yellowstone Volcano Observatory talks about the possibility of the Yellowstone caldera erupting ...

Yellowstone's geothermal wonders hide an active volcanic system. Recent studies suggest the northeastern magma body could ...