When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: SDO/AIC/NASA The sun has had an active few days, firing several powerful solar flares and ...

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 ...

The sun unleashed another strong X-class solar flare overnight, stronger than the one that occurred on Tuesday — an X2.7, the strongest so far this year. X-class flares are the strongest and most ...

Classified as an M6.5 flare, NASA's Solar Dynamics Observatory captured a striking image of the strongest flare emitted from the sun this year. Though it's 10 times less powerful than the strongest ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar maximum — is when sunspots, solar flares and coronal mass ejections (CMEs) ...