It’s time to open up the voting for the next category in The Oregonian’s Readers Choice Awards: Oregon’s most recognizable ...

Beneath dormant volcanoes in the Cascades region of the Pacific Northwest, scientists found large reservoirs of magma. The discovery challenges […] ...

This 2023 satellite photo shows the heart-shaped Spirit Lake, which was transformed by the cataclysmic eruption of Mount St.

On clear days, you can see snowy Mount Hood, the highest mountain in Oregon (at 11,239 feet), from Portland. Mount Hood is the region's prime skiing area, with numerous powdery downhill and cross ...

Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main ...

When most of us think about active volcanoes in the U.S., Mount St. Helens, Mt. Rainier and a few others will first come to mind. However, one of the most active volcanoes in the region is about a ...

The scroll, named PHerc. 172, is one piece to a larger puzzle — for years, researchers have pursued restoration of the Herculaneum papyri, a series of over 1,800 scrolls burned and carbonized during ...

which fell victim to one of Mount Vesuvius' eruptions in A.D. 79, is a UNESCO World Heritage city that was preserved by the volcano's ash. It was not rediscovered until 1748. According to many ...

The active Mount Sakurajima volcano in Kagoshima erupted ... According to the Kagoshima Meteorological Office and other sources, the eruption at around 6:33 p.m. occurred at a vent atop the ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south pole that are visible only in springtime on the Red Planet. This image ...

The ice volcano is created when an uphill pond feeds down into the fountain and sprays water into the air, giving the illusion of an eruption. When temperatures drop, the fountain's water freezes ...

Erupting Volcano on the island of Santorini in 1866. The horseshoe shape of the island was created during a cataclysmic eruption 1500 BC. The ancient eruption may have created a tidal wave which ...