An intense solar eruption recently triggered a rare "severe geomagnetic storm" alert for Earth, with the U.S. Naval Research ...

A violent solar eruption on May 31 launched a coronal mass ejection (CME) hurtling toward Earth, triggering a rare G4-level geomagnetic storm alert. Captured in real-time by U.S. Naval Research ...

The speedy solar storm arrived in style, sparking stunning aurora displays as far south as California and New Mexico.

A strong solar storm is currently impacting Earth. The event, triggered by a major solar flare, may cause widespread auroras. Satellite and GPS interference are possible. Power grid instability is ...

A massive solar eruption from sunspot 4100 has launched a fast-moving CME toward Earth, with G4-class geomagnetic storm conditions expected through June 2, 2025.

A severe G4 solar storm is expected to hit Earth on June 14, 2025, as reported by NOAA’s Space Weather Prediction Center; solar wind coming from a coronal hole—a region where the Sun’s magnetic field ...

A geomagnetic storm is headed toward Earth, potentially bringing displays of the northern lights and disruptions to critical infrastructure.

Northern lights may once again be visible deep into mid latitudes tonight as geomagnetic storm conditions continue to wreak ...

A strong geomagnetic storm could light up the night sky with auroras across large parts of the United States tonight, including Michigan, Maine and New York.

In a news release Saturday, NOAA said the storm has strengthened into a G4, the second-strongest class of solar storms. Conditions in a G4 solar storm can be strong enough to disrupt GPS and ...

Rare G4 geomagnetic storm on Saturday put on a show across Colorado skies as geomagnetic activity will push auroras farther ...