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 ...

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

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

You may remember that amount of 22 degrees from a previous Hey Ray about halos. The hexagonal ice crystals that refract light to create Sun and Moon halos are present when Sun dogs are created ...