A new Circle to Search animation has been spotted in the wild, though it’s unclear if this will roll out to everybody ...

An Einstein ring is light from a much more distant galaxy that bends in such a way as to perfectly encircle a closer object.

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 ...