Every 11 years, our sun goes through a cycle of activity known as the solar cycle a natural rhythm of rising and falling sunspot numbers. When the cycle reaches its most active phase, it’s called the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Skywatchers in the Southern Hemisphere will witness the year ...

Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now? When you purchase through links on our site, we may earn an affiliate ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. September 2025 will see two spectacular eclipses, with the ...

2025 was another busy year on the sun. But how did it compare with 2024, and what will 2026 bring for solar activity and the northern lights? When you purchase through links on our site, we may earn ...