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 ...

White House correspondent Peter Doocy discusses Elon Musk discovering federal workers' retirement documents being stored in a ...

The Einstein ring, formed as light from a distant galaxy bends to glow around another object in the foreground, could help ...