On Jan. 19, a powerful geomagnetic storm pushed auroral activity far beyond its usual range, allowing this exceptional sighting over Brazil.
An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.
The moon will take on a dramatic blood red hue during the total lunar eclipse on March 3.
A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense X8.3 eruption.
The photos were taken during a severe G4 geomagnetic storm, one of the strongest in years.
Auroras may be visible from Alaska to Maine tonight as Earth reels from a colossal CME impact.
Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, but harmless on the ground.
A fast CME slammed into Earth on Jan. 19, unleashing hours of intense auroral activity and lighting up skies far beyond the poles.
Auroras may be visible from Alaska to Colorado tonight as a speedy coronal mass ejection impacts Earth.
Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.
