The agency said “moderate” geomagnetic storm conditions are expected Wednesday because of a coronal hole high-speed stream, ...

An increase in auroral activity is likely the result of expected geomagnetic storm conditions caused by a coronal hole high-speed ... so you'll always know the biggest stories shaping the day ...

Auroras are possible over the U.S. tonight (March 25) as a "moderate" geomagnetic storm hits Earth. UPDATE: The Northern ...

Bright auroras could be visible tonight (Tuesday) in the Northern U.S. as Earth passes through a corridor of charged particles leaking out of a "coronal hole" in the sun’s atmosphere.

A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict. A massive eruption on the sun that flung solar plasma toward Earth on Friday ...

This activity is connected to a fast-moving coronal mass ejection, or CME, that left the Sun on Friday. According to SWPC’s ...

The Met Office says the aurora is due to a 'high speed stream' (HSS) emitted from a coronal hole – an opening in the sun's outer surface. Although it's not an exact science, generally the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The northern lights over Krasnoyarsk, Russia on Jan. 1. Two sun events have combined that ...