One of the world’s oldest national parks, Mount Rainier became part of the federal ... one of the world’s most active volcanoes. The Sicily, Italy, volcano is almost constantly in a state ...

A local scientist and mountaineer has confirmed that the volcano's famous summit point ... "The summit area of Mt Rainier has a crater rim that melts out to rock every summer, but there has ...

“The summit of Rainier is a large snow covered volcanic crater ringed by smoking steam vents,” said Scott Axelson. “It’s an active volcano like Mt. St. Helens although it’s dormant at present.” Photo ...

The ’70s-era map tallied more than a mile of passages in the main crater alone ... and to tease out clues it might hold to the volcano’s future and—perhaps—the origins of life. Mount Rainier National ...

They're often flung miles from the volcanic crater. In 1883 ... They're also called composite volcanoes. Mount Rainier in Washington is a famous stratovolcano. Shield volcanoes are big, broad ...