Europe's Euclid space telescope has detected a rare ring of bright light around a nearby galaxy, astronomers have said. The halo, known as an "Einstein ring," encircles a galaxy 590 million light ...

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

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 ...