For the last year, Alaska's Mount Spurr has been showing signs of a potential eruption on the horizon. If an eruption happens, it would likely occur at Crater Peak, shown in the background of this ...

Magnetic flux ropes (MFRs) constitute the core structure of coronal mass ejections (CMEs), but hot debates remain on whether the MFR forms before or during solar eruptions. Furthermore, how flare ...

The Fagradalsfjall Volcano, a raised crater of bubbling lava—glowing bright yellow in an expanse of dark gray—is the latest eruption heralding Iceland’s new period of volcanic activity.

Here’s a look at volcanoes, then and now. The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, massive landslides on the north ...

Here’s a look at volcanoes, then and now. The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, massive landslides on the north side ...

At the other end of the scale are the explosive Plinian eruptions, which are known for their eruptive columns that can travel up 55 kilometres into the atmosphere as well as their high-speed jets of ...

A volcano eruption near Oregon is brewing — but don't panic about Axial Seamount. The undersea volcano has been attracting attention for months as scientists prepare for an eruption they expect ...