Volcanoes aren’t just a thing of the past—several U.S. states still have active, erupting peaks! From Hawaii’s lava flows to the rugged landscapes of Alaska, discover which states are home to the most ...

Due to climate change, scientists believe in the coming decades, longer dry spells might lead to fewer rainbows on the arid, ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Earth's inner core may have changed shape, according to researchers studying unknown transformations deep within the planet.

Mount Spurr, whose volcanic ash darkened Anchorage’s skies in 1953 and 1992, may be building toward another eruption.

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea ...

The Alaska Highway and other northern roads are striped with layers of “White River ash” spewed from the volcanic field near Mount Churchill. UAF anthropologists dated ash from a northern lobe ...

Mount Rainier - one of many volcanoes found in the Cascade Range ... Cascade discovery translates to other locations, including Alaska.

A miles-wide volcano off Oregon’s coast could erupt “soon” say scientists who’ve been tracking it for decades. The Axial Seamount is a massive undersea volcano that reaches more than 3,600 ...

Alaska officials are preparing to hold a lease sale for geothermal exploration rights at Augustine Volcano, a 4,133-foot peak that forms its own cone-shaped island in the southern part of Cook Inlet.