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

A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...

For over a century, astronomers have searched the skies for a perfect example of a phenomenon predicted by Albert Einstein: a luminous halo formed by the bending of light around a massive object. Now, ...