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

The strongest since Oct. 3, 2024 has been detected by NASA’s Solar Dynamics Observatory. It could mean widespread aurora ...

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

What’s more, most of these solar bursts are coming from a single sunspot cluster, Region 4274, which is now directly pointed at Earth. Over the weekend, this region released two solar flares ...

This massive burst triggered a severe (R3-level) radio blackout, severely impacting high-frequency radio communications over ...

After a powerful solar flare, the plasma release will absorb clouds already moving towards the Earth from previous strong ...

In the wake of the solar flares, the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center ...

A geomagnetic storm surprised forecasters overnight as material from recent solar eruptions arrived earlier than expected, briefly reaching strong (G3) levels. Now, NOAA has a G3 geomagnetic storm ...

Sunspot AR3186 erupted with an X1-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

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

Slowly but surely, a solar storm is heading towards the Earth and it could hit our blue marble in mere hours. Astronomers are ...

As a particularily active sunspot region rotates into view, the sun has released its largest solar flare since June.