"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

A rare and intense energy flare from the sun has reached our planet, leading to what scientists say is the most violent solar ...

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

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

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

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

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

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

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 ...

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.

Officials said geomagnetic activity is likely to increase with the arrival of an Earth-directed coronal mass ejection.