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 ...