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

Sacrifices of “sun stones” occurred around the same time a volcanic eruption in 2900 BC dimmed the sun throughout Northern ...

More than a decade of data about the particles zipping around our sun could be used to solve many mysteries, from the ...

Today’s photo of the day, “Glorious sky with sun rays shining over Lanai,” comes to us via Rosa Medina. Send your best photos ...

Given that 5.5 micrograms of the vitamin are estimated to ingested daily through food, ultraviolet rays from the sun are required to provide the other necessary 10 micrograms of vitamin D.

New research suggests moderate sun exposure offers health benefits, challenging traditional protection guidelines and changing public perception.

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 ...