Add Yahoo as a preferred source to see more of our stories on Google. We are currently midway through Solar Cycle 25, the 25th solar cycle since the naming convention began back with Solar Cycle 1 in ...

A powerful solar flare erupted from the sun on November 14, 2025, causing radio blackouts across parts of Africa. This X4-class flare, the second-strongest of the year, originated from a highly active ...

The sun erupted in a massive solar flare, the largest of the year, sending a wave of solar activity that could affect Earth starting on Tuesday. A powerful X5.1-class flare, capable of disrupting ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The sun lashes out with a ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...