Euclid space telescope sent some images back to Earth during an early testing phase. While reviewing the pictures, astronomer ...

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

The Einstein zig-zag could help resolve this issue by providing a more precise measurement of the Hubble constant. By reducing the uncertainty in lensing models, the system may bring the early ...

This first-of-its-kind discovery, called the Einstein zig-zag lens, offers profound insights into the distant universe, while also opening new avenues to tackle the enigmatic Hubble tension ...