Site of half the world's active geysers and about the same size as Cyprus, Yellowstone National Park's scenery and wildlife make it one of the biggest draws for tourists in the US. But those famous ...

A volcano located in Indonesia's eastern island of Halmahera erupted on Wednesday morning spewing a four-km (2.5-mile) high ash cloud, forcing authorities to raise the alert level in surrounding areas ...

The Vatnajökull ice cap is the largest glacier in Europe and covers 8 percent of Iceland. It's also home to the Jökulsárlón ...

Researchers have discovered an underground aquifer in Oregon's Cascade Range is significantly larger than previously thought ...

Scientists have mapped the amount of water stored beneath volcanic rocks at the crest of the central Oregon Cascades and found an aquifer many times larger than previously estimated -- at least 81 ...

Experts warn of the imminent risk of a massive volcano eruption that could cool the planet, affect crops, and trigger a ...

One of the most active volcanoes in the Pacific Northwest is waking up — leading some scientists to believe it will erupt in ...

“A May 1861 event resulted in an island just 87 meters (285 feet) across and 3.5 meters (11.5 feet) above the water. This one ...

A detailed look at Yellowstone's magma storage system finds that only one region is likely to host liquid magma in the long ...

An undersea volcano off Oregon’s coast will likely erupt in 2025, scientists say. Known as Axial Seamount, it’s the most ...

Axial Seamount off Oregon's coast is the most active volcano in the Pacific Northwest, about 300 miles offshore and just ...