Halos can form around both the sun and the moon, but stars are not bright enough to produce a halo effect. They form when tiny ice crystals refract and reflect the light in an organized way.

SINGAPORE - If you happened to lift your gaze to the skies around midday on March 15, you may have spotted a bright ring of light around the sun. Known as a sun halo, photos of the rare sighting ...

The double sun halo seen in Ladakh was a spectacular sight, with two rings of light surrounding the sun, creating a mesmerizing display against the clear blue sky. This phenomenon not only ...

A bright ring of light appeared around the sun on Saturday (March 15) prompting Senior Minister Lee Hsien Loong, who spotted the halo, to share a photo of it on Facebook. "A rare and spectacular ...