In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio ...

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could ...

Explore what economic sunspots are, how they influence financial markets independently of fundamentals, and their fascinating ...

A large sunspot has just reappeared on the sun's Earth-facing surface, almost two months after it first emerged. The unusually old dark patch remains stable and could be on course to become the ...

Space watchers are taking a keen interest in the sun’s actions over the last 24 hours. A sun spot, or a temporary, dark, ...