At 10:04 UTC on November 11, the Sun fired an X5.1-class solar flare from Active Region 4274, launching an asymmetric halo coronal mass ejection (CME) toward Earth at extraordinary speed. This was not ...

Thanks to the European Space Agency (ESA) spacecraft XMM-Newton, astronomers have seen a powerful explosion of plasma erupting from a distant star for the first time. We have seen (and felt) plenty of ...

Three solar flares are barreling toward Earth and they could create a northern lights show to be remembered Tuesday night. These coronal mass ejections, or CMEs, blew off the surface of the sun Nov. 9 ...

A powerful solar storm could spark auroras as far south as northern California and Alabama on Wednesday, thanks to a particularly rambunctious area on the sun dubbed active region 4274 (AR4274). In ...

This was the view as a multi-colored curtain of aurora formed to the south in my sky during the great display of Northern Lights on May 10, 2024. The Kp Index peaked at 8 this night bringing the ...

A coronal mass ejection (CME) is a large-scale eruptive solar phenomenon in which magnetized plasma from the Sun’s corona is expelled into interplanetary space, typically associated with magnetic ...

Another round of auroras may put on a dazzling display across U.S. states this evening, so be sure to look up Elizabeth Ruggiero/Getty A powerful mass ejection (CME) from sunspot AR4199 is set to ...

If you’re seeing social media posts about an X-class solar flare, here’s what you need to know now. A powerful X-class solar flare, the strongest category scientists track, erupted from the Sun on Jan ...

It was a rare cosmic collision — and the sky responded in technicolor. A rare and rowdy “cannibal” solar eruption slammed into Earth this week, which painted the sky in jaw-dropping color from ...