An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.

The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

According to NOAA's Space Weather Prediction Center and NRCan's Canadian Space Weather Forecast Centre, we continue to have ...

The sun recently erupted with a potent X-class solar flare, triggering a fast-moving coronal mass ejection (CME) that is ...

A rare and fast CME triggered a severe G4 geomagnetic storm, producing brilliant auroras seen across Europe and the U.S.

A powerful flare has unleashed a severe solar storm that could cause auroras and satellite disruptions on Earth.

Thanks to a giant eruption on the Sun and a large opening in its atmosphere, we're currently experiencing G4 conditions – a ...

The CME was launched during a powerful X-class solar flare on Jan. 18 and raced toward Earth at speeds of 620–870 miles per ...

Earth's magnetic field was struck by a "severe" solar storm yesterday (Jan. 19), triggering vibrant auroras in the U.S. and ...

What makes one solar outburst a global headline while another barely registers on the ground? The contrast may not be in the ...

Colorful auroras could dazzle skywatchers again on Monday night amid a severe geomagnetic storm and what the National Oceanic ...