A rare and mysterious halo was filmed over a snow-capped mountain in Sweden, with the footage shared in a viral social media post. As posted by user @TheFigen_ on Twitter on October 24, the eerie ...

Ever since the late Sarasota mystery writer John D. MacDonald wrote A Flash of Green in 1962, locals and visitors stand on the beach at sunset, hoping to see a brief burst of green light just as the ...

Reyna shared the photos in a Galveston Facebook group where it garnered nearly 1,000 likes. In the more than 100 comments in response, which included bible verses, some suggested the ring could be a ...

Across the Ozarks, many people noticed an unusual sight in the sky on Tuesday. A partial rainbow near the sun. The optical illusion is most commonly referred to as a sundog, or a mock sun. Sundogs ...

When the right conditions come into place, the atmosphere can provide us with stunning visual effects. In order to understand the cause of what we’re seeing, let’s establish the difference between ...

For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays - without the need for artificially manufactured metamaterials. Scientists have long ...

With heat, humidity, and often heavy pollution, unusual optical phenomena are not uncommon in parts of Asia. But what was recently observed in China, in Chengdu near Sichuan, was truly extraordinary: ...