Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.

"Sunspots 4114 erupted with an X1.2-class solar flare. Minutes lates, sunspot AR4115 "erupted in quick succession," according ...

A strong geomagnetic storm could interact with Earth's atmosphere within the next 24 hours, bringing the potential for ...

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.

It is the strongest solar radiation storm in over 20 years, since October 2003. The powerful weather event is expected to ...

The Met Office's space weather forecast said solar activity was "high" yesterday, with a "long-period storm flare", which ...

Earth is currently under bombardment from one of the most powerful geomagnetic storm categories the Sun can unleash.

The sun released an X-class solar flare on Sunday afternoon, increasing northern lights chances for Monday night.

A solar radiation storm stronger than one we’ve seen in over two decades is in progress, the Space Weather Prediction Center ...

Sparked by a fast-moving solar storm, the Northern Lights may stretch far to the south tonight, and might even be visible ...

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

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