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 ...

A strong solar storm is currently impacting Earth. The event, triggered by a major solar flare, may cause widespread auroras. Satellite and GPS interf ...

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

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

A high-speed solar storm, triggered by the Sun’s most powerful eruption of the year, is currently buffeting Earth's magnetic field, with space weather experts warning of possible G4-class ...

Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth’s atmosphere to ...

NASA shares first sun pole images as a Friday solar storm could bring northern lights, highlighting new space weather discoveries.

The G-scale goes from 1-5, and a G4 storm would be severe. NOAA isn't ruling out potential for G5 storm conditions. The last G5 solar storm happened May 10, 2024. It was the first G5 solar storm ...