you might be surprised at the color that is technically emitted. NASA says the sun actually emits energy at all wavelengths ...

Cosmic rays coming from outside the Solar System bring these particles closer to the Sun, where they experience changes ...

Whether you're wearing brown, blue or green lenses, this is how your sunglasses' color affects their performance.

Leaves change color in the fall because the chlorophyll ... I was looking through the tree canopy lower down to see the sun ...

Some protection isn't just for skin. Your eyes should be shielded from harmful for UVA rays, too. Too much sun can damage your eyes and the skin around them, and lead to Wrinkles around the eyes ...