A powerful geomagnetic solar storm is helping to unveil northern lights across the United States. Here's how auroras become visible.

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...

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

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...

The sun unleashed the strongest X5.1 class solar flare, blasting the Earth with 2025 year’s strongest solar activity so far ...

The Aurora Borealis was spotted in a large swath of states, including Idaho, Iowa, Missouri, New Mexico, New York, Oklahoma, ...

Georgia solar installers say they’re seeing a surge of customers trying to install rooftop solar systems before federal tax credits go away at the end of the year.

Brilliant colors strobed the skies across much of North America — viewed as far south as Florida — on Nov. 11 as a powerful ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...