A geomagnetic storm that was forecast to produce streaks of colorful light across much of the country was weaker than expected.

The northern lights — also called aurora borealis — could be visible in Alaska, Washington, Montana, North Dakota, Minnesota, ...

Space weather forecasters say northern lights may be visible in parts of the northern United States following weekend solar ...

New research shows that the presence of solar panels in Colorado's grasslands may reduce water stress, improve soil moisture levels and -- particularly during dry years -- increase plant growth by ...

Skies across the United States could be set aglow Sunday night into Monday morning due to a geomagnetic storm, with the hues ...

Good aurora-viewing conditions could continue to nightfall in the eastern US. Before heading out, here's what you need to ...

It’s sometimes easy to forget that the light in the sky is an actual star. With how reliable it is and how busy we tend to be ...

Solar scientists have unveiled spectacular new images of plasma "rain" in the sun's corona using adaptive optics.

Astronomers have captured the Sun's corona in astonishing detail, revealing mesmerizing features like coronal rain — all in ...

Exposure to the sun's light can be both beneficial and harmful. New research has suggested new uses for light therapy beyond ...