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

The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.

The 11-year sunspot cycle is well underway. At the end of 2021, former sunspot cycle 24 finally ended, ushering the next cycle, No. 25. The change of cycles is known in the world of solar physics as a ...

The Parker Solar Probe flew through a coronal mass ejection in 2021, finding clues that are helping to unravel the mystery of space weather. Reading time 2 minutes For the past six years, the Parker ...