The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

The storm could also impact power systems and spacecraft operations.

A solar storm of this strength could spark aurora visible to the naked eye as far south as parts of California, the central Plains and the Mid-Atlantic.

This weekend, a powerful solar flare erupted from the sun, and that coronal mass ejection began to hit the earth on Monday.

The latest aurora activity is a result of a recent solar flare and could intensify if faster solar winds arrive as forecasted ...

Under the current forecast, the northern lights may be visible across much of the northern half of the United States, and ...

Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter spacecraft has discovered that a solar flare is triggered by initially weak ...

I WAS JUST GOING TO SAY AT FIRST, YEAH. SO PEOPLE GOING TO THE EVENT TONIGHT, WHAT SHOULD THEY HAVE ON? WHAT SHOULD THEY WEAR? I’M STILL SAYING LONG SLEEVES RIGHT. IT’S NICE TO SEE US BOUNCING BACK TO ...

This weekend, a powerful solar flare erupted from the sun, and that coronal mass ejection began to hit the earth on Monday.