On these clouds appeared a circular rainbow and within it, as though in a gilded frame, were two figures—in fact, the shadows of ourselves.

Astronomers have spotted signs of an unusual, rainbow-like pattern decorating the surface of WASP-76b, a "hot Jupiter" exoplanet some 637 light-years away. The circular "glory" lights, if ...

Rainbows form when a unique combination of meteorological and atmospheric conditions come together at the perfect time, and ...

It was so rare and spectacular that even former Prime Minister Lee Hsien Loong shared photo of it. Read more at stomp.straitstimes.com ...

The higher your vantage point, the more likely you’ll see more of the rainbow’s circle. Chen Hui/VCG via Getty Images ...

As you look at these droplets, the different colors happen to bunch up at a slightly different angle, and each color forms the circular rim of a cone with your eye at the tip of the cone. And, voila, ...

DEC sampled the annual rainbow trout spawning run on Catharine Creek. Here's the outlook for the opening day of fishing season April 1.