The overnight storm was likely triggered by a glancing CME arrival that combined with lingering effects from a high-speed solar wind stream, according to NOAA's Space Weather Prediction Center (SWPC). The result was a strong burst of auroral activity, with sightings reported across Europe, Canada and the northern U.S.

The Central Weather Administration on Thursday issued a geomagnetic storm alert that will be in effect from Friday to Saturday. According to the CWA's Space Weather Operational Office, the disturbance is caused by a significant coronal mass ejection (CME) that erupted from an active region on the Sun’s surface on Wednesday,

A volatile region of the Sun, crackling with flares and blasting solar storms into space, is setting us up for some intense space weather in the nights ahead! Over the past few weeks, solar astronomers and space weather enthusiasts,

Down here on Earth we don't usually notice, but the Sun is frequently ejecting huge masses of plasma into space. These are called coronal mass ejections (CMEs). They often occur together with sudden brightenings called flares,

NOAA's GOES-16 satellite captured the sun blast a "huge rush of mass" that warped the magnetic field, according to the European Space Agency. See the footage here along with Solar and Heliospheric Observatory of the ensuing coronal mass ejection.

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Astronomers using Hubble and ground telescopes observed a two-phase coronal mass ejection from EK Draconis, a young Sun-like star.

Sunspot activity increases on November 1, 2025, as new regions emerge on the Sun. Solar flares, coronal mass ejections, and geomagnetic conditions are monitored by NASA/SDO and EarthSky.