NASA's Landsat 8 satellite snapped a stunning top-down view of an "unusually spectacular" Mount Etna eruption. Infrared data makes the volcano's lava river really pop.

A fiery force beneath the ocean is reshaping Tonga’s Home Reef, growing an island through eruptions over the past few years.

A red-hot lava flow two miles long has been attracting crowds to the slopes of Mount Etna on the island of Sicily, Italy.

Deep-seated mantle structures known as LLSVPs have been found to be over a billion years old, affecting tectonic activity.

"Initial drilling has provided encouraging results supporting our belief that the Nyngan project is a new porphyry district ...

At least twice in the last few thousand years, Mount Churchill's ice-covered caldera has spewed ash that reached as far as ...

Our HS sports photos like the ones above put you right up close with the action and the whole experience. Check them out by clicking anywhere in the collage above to open the photo gallery.

Students begin a series of four beginner guitar classes at the Rogers Adult Wellness Center. Click here to see more photos from the class.

In a sea teeming with some of the largest creatures on the planet, a University of Miami scientist is studying how big of an impact desert aerosols and volcanic ash have on the sea’s tiniest ...

Blocks of geopolymer mortar made from Taal volcanic ash (TVA) freshly removed from their molds after being left to cure for 24 hours. It was found that the natural presence of iron-rich minerals ...

The heat and volcanic ash from Vesuvius destroyed the town and preserved the scrolls, but in an unreadable state, turning them into charred fragile blocks that disintegrate if unrolled physically.

SANTORINI, Greece (AP) — Earthquakes rattled Greece’s volcanic island of Santorini every few minutes overnight and into Wednesday as authorities bolstered emergency plans in case the hundreds ...