These CMEs are currently headed toward Earth and will likely cause strong to minor geomagnetic storms later today and ...

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...

The British Geological Society is warning that the Earth is about to get hit by the most powerful solar storm in over two ...

In the pre-dawn hours of Nov. 11, the sun let loose a dazzling but disruptive display of its power: an X5.1-class solar flare ...

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...

A severe geomagnetic storm watch was issued by NOAA on Tuesday in response to recent coronal mass ejections from the sun.

Millions across the U.S. and Europe witnessed rare, colorful displays of the northern lights on Tuesday and Wednesday after ...

Geomagnetic storms occur when charged particles from the sun collide with Earth’s atmosphere, creating auroras.

A severe geomagnetic storm is possible starting Tuesday evening, and the clouds in Minnesota could cooperate to see the ...

Northern lights dazzled much of the northern U.S. Tuesday after a solar flare. Forecasters say another colorful show could ...

A moderate solar flare might affect radio communications on Earth, the National Oceanic and Atmospheric Administration said ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.