Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar maximum — is when sunspots, solar flares and coronal mass ejections (CMEs) ...

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

With solar maximum all-but-confirmed to have taken place in 2024 and 2025, the activity on the surface of the Sun appears to be in a declining phase, as part of its 11-year cycle from one solar ...

Earth is currently under bombardment from one of the most powerful geomagnetic storm categories the Sun can unleash. Thanks ...

OVRO-LWA radio data contrasts a quiet day (Sept. 29, 2025) with the hours after the X1.7-class flare recorded at 2:35 ET on Nov. 9. The type III radio bursts, shown in the radio dynamic spectrum ...

A second night of aurora borealis is expected across parts of the U.S., Canada, and the U.K. on Wednesday evening, following a vivid display on Tuesday that reached as far south as Alabama and New ...

LAS CRUCES — The eerie yet beautiful auroras that delivered pink and green nighttime skies across New Mexico and much of the U.S. this month are the result of geomagnetic storms caused by solar ...

In a remarkable astronomical event, Earth was recently struck by a severe geomagnetic storm that has been described as the most significant in the past 23 years. This storm, which followed a powerful ...

Wausau Pilot & Review Central Wisconsin residents could catch a glimpse of the Northern Lights tonight as strong solar ...

Cryptocurrency investors face an unusual danger lurking 93 million miles away. Solar flares, massive bursts of energy from the sun’s surface, can interfere with the digital infrastructure that keeps ...