CAPE CANAVERAL, Fla. — An unusually strong solar storm hitting Earth could produce northern lights in the U.S. this weekend and potentially disrupt power and communications. The National Oceanic ...

When this solar material reaches Earth, geomagnetic storms can occur, like the recent events last year when NOAA issued a strong G4 geomagnetic storm alert, during which the northern lights were ...

including a strong solar flare measured at a level of X9.0, causing auroras with a Kp index as high as 7. The northern lights were also sometimes visible as far south as Florida. NASA estimates ...

An unusually strong solar storm headed toward Earth could produce northern lights in the U.S. this weekend and potentially disrupt power and communications. The National Oceanic and Atmospheric ...

Why did the world suddenly become obsessed with the northern lights? It seems like not a week goes by without news of solar flares and, very often, a forecast for auroras in their wake.

During March and September equinoxes, Earth's axis is parallel to the sun's. Magnetic fields of Earth and the solar wind momentarily coincide, creating "cracks" that allow charged particles to ...

Another in a series of unusually strong solar storms hitting Earth produced stunning skies full of pinks, purples, greens and blues farther south than normal. “It was a pretty extensive display ...

It was a strong solar storm that recently made the Northern Lights visible across the Northern Hemisphere. While Earth's atmosphere and magnetic field protect the planet from these solar events ...

The lights are seen after a strong geomagnetic storm hit the Earth ... NASA and other agencies observed six of the largest X-class solar flares erupting between May 8 and 10.