Eyes to the sky! More aurora displays may be on the way following a powerful solar flare and the eruption of an exceptionally fast solar storm. A massive cloud of high-energy particles exploded from ...

G1? G3? G5? What do geomagnetic storm rankings really mean? Geomagnetic storms are capable of sparking beautiful displays of the Northern Lights across our night sky. However, there is a potential ...

The Sun unleashed an unusually intense eruption on December 6, 2025, sending a blast of charged particles hurtling toward Earth and setting off a global readiness effort across aviation, satellite ...

Fast solar wind and possible CME activity may increase northern lights chances over Christmas, mainly across high-latitude regions ...

Space weather forecasting doesn't yet command the same resources as Earth weather forecasting, even though the stakes are ...

Coronal mass ejections (CMEs) are dramatic expulsions of plasma and magnetic fields from the Sun’s corona that can trigger a spectrum of space weather phenomena. These solar eruptions, as they ...

A solar flare eruption showing magnetic reconnection on the Sun’s surface, releasing intense energy as electromagnetic radiation and driving coronal mass ejections, key drivers of space weather. A ...

The Sun looks like a warm yellow sphere with a surface covered with glowing messy hair. The yellow glow extends to the edges of the image, with some regions brighter than others. Many bright yellow ...