High above a storm, a mysterious red ring appeared for a split second. Here's how one photographer captured the elusive "elve."
Auroras may be visible from Alaska to New York as a speedy solar wind is set to spark geomagnetic storm conditions overnight.
The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.
When a severe G4 geomagnetic storm hit, this Dreamliner pilot had the perfect front-row seat.
Sailing through Arctic Norway under the aurora, this voyage redefines what cruising and chasing the northern lights can really be.
Solar storms don't just trigger impressive auroras; they can scramble the GPS systems U.S. farmers rely on.
The eruption was accompanied by a CME, which is currently under analysis to assess whether any part of it is headed for Earth.
Auroras may be visible from Alaska to Maine as geomagnetic storm conditions could continue tonight.
Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection could spark severe geomagnetic storm conditions overnight.
Vivid auroras lit up skies across North America and Europe as a severe G4 geomagnetic storm, one of the strongest this solar cycle, rattled Earth's magnetic field.