Einstein rings occur when light from a distant galaxy bends to form a glowing ring around another object in the foreground as that object is being observed. The rarely observed rings are named for ...

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

Though sun halos can happen year-round, they are especially noticeable in the winter when ice-filled cirrus clouds are more ...

Forget diamonds — a futuristic new digital ring could become the real marker of a committed relationship. The high-tech jewelry is being pitched as a way to help you emotionally connect with your ...

PETOSKEY — If you looked up at the sky today and noticed a glowing ring around the sun, you’re not alone. That bright, circular halo is a natural optical phenomenon known as a sun halo ...