Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday.

Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...

Euclid telescope has located a rare hoop of light called an "Einstein ring" in a nearby elliptical galaxy. Though the galaxy has been on humans' radar for 140 years, its halo is new—and it has a lot ...

The first Einstein ring was discovered in 1987, and since then, several more have been discovered. However, it remains ...