The solar eruption set Earth's skies ablaze, with vibrant auroras visible across the Northern and Southern Hemispheres.

There's a chance for G4 (severe) geomagnetic storm tonight, NOAA space weather forecaster Shawn Dahl tells CNET.

Traveling to a north-facing, high vantage point away from light pollution is the best bet to see the northern lights, ...

Aurora is a shifting pattern of light emitted from atoms and molecules in the atmosphere after they have been ionized by collisions with charged particles from the sun. The radiation can be seen ...

Thursday's aurora forecast has a Kp index of three while Friday's has a Kp index of five. For indexes in this range, the lights will likely "become brighter and there will be more auroral ...

T Coronae Borealis has an outburst every 79 to 80 years, according to NASA. The once-in-a-lifetime explosion of T Coronae Borealis, also known as the "Blaze Star," is still pending -- but the ...

According to the Space Weather Prediction Center at the National Oceanic and Atmospheric Administration, Thursday's aurora borealis will be rather mild. The agency is calling for a Kp index of ...

T Corona Borealis is located in the "Northern Crown" constellation, approximately 3,000 light-years away. A faint star in a constellation visible from the Northern Hemisphere after dark may ...

Article continues below The Weather Agency says a "fast stream of solar wind" is likely to bring visible Northern Lights, also known as the aurora borealis, to parts of the UK. Stunning aurora ...

Service of Amtrak's Borealis train connecting Milwaukee to the Twin Cities will be restored without bus substitutions on Friday after railcar corrosion issues caused cancellations Wednesday ...

Anthony Vazquez/Sun-Times Share UPDATE: Amtrak will run the northbound Borealis train on Thursday, and resume all train service for the route on Friday, the company said in a statement late Wednesday.