Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon ...

A seismic survey challenges the long-standing belief that only active volcanoes have large magma bodies sitting beneath them.

A new study has found surprising evidence of large bodies of magma lurking beneath long-dormant volcanoes in the Cascade ...

What differentiates an active volcano from a dormant one?While visible lava at the surface is an obvious indicator of activity, the long-standing ...

Part of that ring (though, it’s really more a horseshoe) bisects the Pacific Northwest via the Cascade Range, and it’s here that one of the most active volcanoes of the world can be found.

Cornell University scientists studying six North American volcanoes within the Cascade Range found something totally unexpected underneath.

A combination of cold air and moisture off the ocean will provide the chance for low elevation snow multiple times next week.

Cascade Caverns is a 125-million-year-old cave. It’s 65 feet deep and about a mile long, with a constant temperature of 60-63 ...

It’s time to open up the voting for the next category in The Oregonian’s Readers Choice Awards: the best ski and snowboard ...

Winter weather warnings have been issued in Washington, Colorado, Idaho, California, Utah, Nevada, Oregon, Montana, Wyoming, ...

We’re watching a cool airmass dropping down from Canada that will send waves of showers inland through the middle of next ...