Since 2005 the Solfatara crater in Italy has been releasing increased volumes of gas, catching the attention of researchers ...

"The great basin," he wrote, "has been formerly one vast crater of a now extinct volcano." The lieutenant was right: Yellowstone is a volcano, and not just any volcano. The oldest, most famous ...

Mary Bay, a crater formed 13,000 years ago ... The National Park Service says an eruption of the Yellowstone volcano is ...

Written by Mark Stelten, deputy scientist-in-charge at the Yellowstone Volcano Observatory, the post analyzes the volcano's eruptive history and current activity to show that the sleeping giant ...

Let's take a tour of Norris Geyser Basin’s backcountry thermal areas in Yellowstone National Park which are off limits to the ...