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 scientist recently snapped a series of shining arcs and halos of light ...

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 ...

Josh Dury, taken from Somerset, U.K. A parhelic circle - an optical phenomenon caused by sunlight reflecting off of atmospheric ice crystals - emerges in this photo from the Sun, which is ...

A series of rare shining arcs and halos of light surrounding the sun were seen in the sky above the UK recently. The phenomena, which included a halo, a sundog, and a complete parhelic circle, were ...

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 ...

Residents of southern Manitoba were treated to an extraordinary sight when a huge, ghostly ring of light encircled the night sky. The strange halo appeared on December 3 over the town of Kaleida, ...

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 ...

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 ...