The latest solar flare follows an M-class one, the second-highest on the scale, that occurred days earlier on June 15. It caused a shortwave radio blackout across North America, with a loss of signal ...

Solar spectral irradiance variability (SSI) refers to the changes in the energy emitted by the Sun at different wavelengths, a phenomenon intricately linked to solar magnetic activity, including ...

Smoke from ongoing Canadian wildfires has continued to suppress irradiance levels across Canada and the Eastern US into June, with impacts stretching as far as Europe, according to analysis using ...