Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.

A solar eclipse occurs when the moon positions itself between Earth and the sun, casting a shadow over Earth. We explore the ...

The color of the sun is actually white, though it may look yellow. If you were to get close enough to the sun, which you can't actually do, you'd be able to see its true color. The light rays from the ...

You expected to come home with sand in your swimsuit and cheeks kissed by the sun. What you got instead was angry, red, inflamed skin that’s painful. You may even have blisters. These are all signs ...

The sun is the biggest object in the solar system; at about 865,000 miles (1.4 million kilometers) across, it's more than 100 times wider than Earth. Despite being enormous, our star is often called a ...