Astronomers have found an incredibly rare complete 'Einstein ring' - predicted by Albert Einstein more than 100 years ago.

Albert Einstein himself thought that the eponymous Einstein ring would be impossible to observe, but the Euclid telescope has ...

Euclid blasted off on its six-year mission to explore the dark universe on 1 July 2023. Before the spacecraft could begin its ...

This ring is made up of light from a galaxy 4.42 billion light years away and what can be seen from Earth is distorted by ...

A close-up view of the centre of the NGC 6505 galaxy, with the bright Einstein ring around its nucleus, captured by ESA’s Euclid space telescope.   The Einstein ring is formed by gravitational lensing ...

When we observe a distant galaxy with our telescope, its light may encounter another galaxy on its way to us. The foreground galaxy acts like a magnifying lens, bending the travelling light rays due ...