A distant galaxy, invisible for billions of years, has reappeared in a surprising form thanks to a rare cosmic illusion ...

But the gravitational lensing here displays a special type of phenomenon, known as an Einstein ring. Gravitational lensing happens when a celestial object has such a massive gravitational pull ...

This NASA/ESA Hubble Space Telescope image offers us the chance to see a distant galaxy now some 19.5 billion light-years ...

A jaw-dropping new space image shows one galaxy hiding behind another. The rare cosmic phenomenon, called an Einstein ring, occurs when massive objects can bend light due to their gravitational ...

One of the fuzzy images seemed to depict a special phenomenon known as an Einstein ring. "I look at the data from Euclid as it comes in," said Bruno Altieri, a Euclid archive scientist.

It's two galaxies, many billions of light-years apart, combined into one by a rare cosmic phenomenon called an Einstein ring. It's an optical illusion. Published recently as the James Webb Space ...

Astronomers using the powerful James Webb Space Telescope to survey distant galaxies spotted an unusual, chance phenomenon called an "Einstein ring." It's not an actual object, but a warped ...