The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

The sun has burped out bursts of energy called coronal mass ejections that could reach Earth Tuesday night. Forecasters said ...

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

The northern lights were visible Tuesday night across the Chicago area, illuminating the sky with brightly colorful displays ...

Paula Dufour can watch the sun rise from the front porch of her Carroll County home and set from the porch in back. Soon, she anticipates, the solar panels that she is adding to her roof could capture ...

At Walking Mountains, we use solar energy to support the Eagle County emission reduction goals and guide the community on energy savings. But what exactly is solar and why are we using it? Solar ...

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Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. We must shift to homegrown energy sources, such as solar, ...

City, school district and CleanCapital officials cut a ribbon officially opening the Yeoman Creek Solar Farm Monday in Waukegan on a 45-acre parcel which was once a Superfund site.

PORT ANGELES — An opportunity to learn about renewable energy sources is coming to Port Angeles. From noon to 4 p.m. Sept. 21, Olympic Climate Action will host Sun Day: A Celebration of Renewable ...

Ludhiana: The district administration has accelerated plans to establish solar-power plants on village common land, known as shamlat land, with three .