The aurora borealis may make an appearance this week across the northern U.S. Find out if it will be visible in Illinois.

In the Midwest, northern Minnesota, Wisconsin and Michigan’s Upper Peninsula could all see aurora formation Sunday night, ...

Some “minor” geomagnetic storm levels are expected to pull the northern lights to more states, forecasters said.

Minor geomagnetic storms are expected to create conditions that could make the aurora borealis, commonly known as the ...

Aurora geomagnetic storm forecast What we know: The geomagnetic storm is rated G4, so it’s not as severe as the G5 storm that led to stunning displays across the southern U.S. on May 10 – yet.

NOAA issued a G3, or "strong" geomagnetic storm watch, for Saturday and Sunday ahead of the flare slamming into the Earth. The scale for geomagnetic storms runs from G1, or minor storm, to G5, an ...

Aurora geomagnetic storm forecast What we know: The geomagnetic storm is rated G4, so it’s not as severe as the G5 storm that led to stunning displays across the southern U.S. on May 10 – yet.

A geomagnetic storm will expand visibility of the aurora borealis Thursday and Friday nights. See maps of which states will ...

A coronal mass ejection hurtling from the sun toward Earth could unleash the northern lights in up to 18 states in the US.

A coronal mass ejection hurtling from the sun toward Earth could trigger a geomagnetic storm, making the northern lights visible in up to 18 US states ...