All celestial bodies—planets, suns, even entire galaxies—produce magnetic fields, affecting such cosmic processes as the ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

Solar Orbiter has captured the clearest evidence yet that a solar flare grows through a cascading “magnetic avalanche.” Small ...

Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter ...

In a paper published January 21 in Nature, a team led by scientists at the University of Wisconsin–Madison have run complex numerical simulations of plasma flows that, while leading to turbulence, ...

A severe G4-class geomagnetic storm is currently underway in Peru, driven by a high-speed coronal mass ejection (CME) ...

It was one of the strongest geomagnetic storms in decades, traveling towards Earth at over 1 million miles per hour. And yet, ...

A severe G4 geomagnetic storm on January 19, 2026 enabled widespread aurora visibility across multiple continents following the arrival of a fast coronal mass ejection.

What makes one solar outburst a global headline while another barely registers on the ground? The contrast may not be in the ...

A major geomagnetic storm is never simply a spectacular sky event; it is a stress test of the technologies that assume the ...

A strong solar storm is impacting Earth on Monday. It's possible the Aurora may be visible over much of the United States ...

A “severe” geomagnetic storm watch has been issued for Monday and Tuesday as the largest solar radiation storm in more than ...