Impulsive X1.1 solar flare erupts from Region 3697

An impulsive solar flare measuring X1.1 erupted from Active Region 3697 at 22:03 UTC on May…

Long-duration X1.4 solar flare erupts from old region 3664

A major, long-duration solar flare measuring X1.4 erupted from Active Region 3697 (previously numbered 3664) at…

Major X2.8 solar flare erupts from old Region 3664 — now returning into Earth view

A major solar flare measuring X2.8 erupted from the Sun’s southeast limb at 07:08 UTC on…

Major X2.9 flare erupts on SE limb of the Sun, signals new wave of heightened solar activity

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X3.4+ solar flare erupts from Region 3664, solar radiation storm continues

A powerful solar flare registered as X3.4 erupted from Active Region 3664 — now located beyond…

Major X8.7 flare erupts from Region 3664 — the strongest solar flare of Solar Cycle 25

A powerful solar flare measuring X8.7 erupted from Active Region 3664 — currently located off the…

X1.7 and long duration M6.6 solar flares erupt from Region 3664, solar radiation storm in progress

Active Region 3664 — the source of numerous Earth-directed coronal mass ejections (CMEs) over the past…

From dusk till dawn with all-sky camera in Italy observing exceptional auroral activity in 4K

Thanks to Gianluca Masi of the Virtual Telescope Project, we have an exceptional video showcasing auroral…

G5 – Extreme geomagnetic storm likely as another set of CMEs merges and impacts Earth on May 12

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Powerful X5.8 solar flare erupts from Region 3664 during G5 – Extreme geomagnetic storm

A major solar flare measuring X5.8 erupted from Active Region 3664 at 01:23 UTC on May…