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

Discover the extraordinary Einstein ring discovered by the Euclid space telescope. A perfect ring of light encircling galaxy ...

"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for Astrophysics.

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

Just like fingerprints and snowflakes, no two galaxies in the entire Universe are exactly alike. But a new discovery 567 million light-years away really is jaw-droppingly unique. There ...

"There's a very narrow window after the impact when a galaxy like this would have so many rings." So-called ring galaxies are extremely rare in the Universe, and they are thought to be the result of a ...

The Sombrero galaxy shines in a new mid-infrared image, revealing a smooth inner disk and intricate clumps in its outer ring. Herbig-Haro ... one of the brightest galaxies, shines 11.6 million ...

Ring galaxies are some of the rarest galaxies found throughout our universe, and for years scientists have scratched their heads, trying to figure out exactly how these galaxies came to be.