Aurora sighted in northern U.S. as powerful geomagnetic storm continues

Aurora sighted in northern U.S. as powerful geomagnetic storm continues

There’s an outside chance the northern lights could appear once again Wednesday night

Northern lights Wednesday morning in the Sandhill Crane Marsh, Alberta, Canada. (John David McKinnon/SpaceWeather.com)

A surprise storm rocking Earth’s magnetic field brought a rare display of the northern lights to parts of the northern United States early Wednesday, sending skywatchers staring upward at pastel hues. There’s a chance that observers could be treated once again Wednesday night as the display potentially continues courtesy of energetic particles striking the planet’s upper atmosphere.