Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth’s atmosphere to ...

NOAA forecasts rare US aurora visibility Thursday night due to geomagnetic storms. Best viewing is in northern states, with ...

If you live in one of the 9 states forecasted to have a chance of seeing the northern lights tonight, head to a north-facing ...

A powerful X1.2 solar flare erupted from the Sun, causing radio blackouts and sparking warnings of more flares and possible ...

ET, sunspot region 4114 released an X.12 class solar flare that caused a radio blackout over the Pacific Ocean, including ...

NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

A potent M8.46-class solar flare on June 15 caused radio blackouts across North America, with a coronal mass ejection potentially impacting Earth on June 18.

TheStreet. On Feb. 19, 2014, big things were happening, both in the sky and on the ground. Overheard, a minor geomagnetic ...

Tuesday’s auroral forecast follows “minor” geomagnetic storms that disrupted Earth’s magnetic field over the last two days, ...

A minor geomagnetic storm (level 1 of 5) is likely this week, according to NOAA's Space Weather Prediction Center. Typically, ...

An intense solar eruption recently triggered a rare "severe geomagnetic storm" alert for Earth, with the U.S. Naval Research ...