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

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

Einstein rings occur when light from a distant galaxy bends to form a glowing ring around another object in the foreground as that object is being observed. The rarely observed rings are named for ...

The "Cosmic Horseshoe" is an Einstein ring, a system made up of a foreground galaxy whose mass is so great, it warps the ...

Data from the Esa Euclid telescope enable precise analysis of an Einstein ring around the galaxy core of NGC 6505 and thus the surrounding dark matter Euclid blasted off on its six-year mission to ...

Circle of light around galaxy 500 million light years away will allow experts to test famous physicist’s general theory of ...

Space rarely displays anything as near-perfect as this 'jaw-dropping' ring of light. But astronomers have found an incredibly rare complete 'Einstein ring' - predicted by Albert Einstein more than ...

The European Space Agency’s (ESA) Euclid space telescope has discovered an extremely rare Einstein ring. Einstein rings of light are produced when two galaxies are almost perfectly aligned ...

The Euclid space mission of the European Space Agency has spotted an Einstein ring in the galaxy NGC 6505, just 590 million lightyears from the earth.