Geomagnetic storms range from minor G1s to extreme G5s, affecting auroras, satellites, power grids, and wildlife navigation.

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

The solar maximum may be over, but the sun has still been busy with activity. A powerful solar eruption is expected to hit Earth soon, according to a forecast from the National Oceanic and Atmospheric ...

A powerful solar eruption is expected to hit Earth soon, according to a forecast from the National Oceanic and Atmospheric Administration's Space Weather Prediction Center. A coronal mass ejection -- ...

A significant geomagnetic storm triggered by a full-halo coronal mass ejection (CME) from the sun is set to impact Earth early to midday on Tuesday, potentially making the Northern Lights visible ...

Get your cameras ready, because it could be time, once again, for the U.S. to see the northern lights. The National Oceanic and Atmospheric Administration (NOAA)’s Space Weather Prediction Center said ...

The Chicago area could be in for a treat this week, as a strong geomagnetic storm could trigger a vivid Northern Lights display. According to the National Weather Service’s Space Weather Prediction ...

The NOAA Space Weather Prediction Center has upgraded the Geomagnetic Storm watch, with a strong geomagnetic storm expected tonight. Strong geomagnetic storm (G3) conditions were observed earlier ...

Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...

The National Oceanic and Atmospheric Administration Space Weather Prediction Center has issued a moderate geomagnetic storm watch for tonight and tomorrow. As multiple active sunspot regions rotate ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Last year, the most violent geomagnetic storm to strike Earth in ...