Also known as a lunar halo, a bright white ring of light around the moon can appear anytime during the lunar calendar and at any time of year, especially in winter. But, if you hope to see a lunar ...

Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy. The halo, known as an ...

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 ...