Add Yahoo as a preferred source to see more of our stories on Google. A blue sky with the sun surrounded by a white circle bisected with a white line and two bright spots either side of the circle. A ...

Sunlight refracted by prismatic ice crystals in high, thin cirrostratus clouds briefly painted the sky yesterday afternoon. An airplane and its contrail also joined the scene. Besides a halo and ...

Dr. Dale Ireland seems to always find amazing feats of nature, and this weekend was no different. While having a late lunch at a restaurant in Tacoma Saturday afternoon, he looked up and saw these ...

A remarkable celestial spectacle unfolded in the skies above the United Kingdom recently when an astronomer captured a stunning series of arcs and halos of light encircling the sun. The most ...

Yes, you are seeing double in this beautiful photograph from Josh Dury, taken last week from Mendip Hills in Somerset, UK. This particular phenomenon is called a parhelic circle—an optical phenomenon ...

At least three separate optical phenomena are visible in the new images. Each of which is created by light refracting through millions of perfectly aligned ice crystals in the upper atmosphere. When ...

A scientist recently snapped a series of shining arcs and halos of light surrounding the sun in the sky above the U.K., including an exceptionally rare ring of light that circled the entire sky. Alan ...