Einstein rings happen when a lensed object lines up with its magnifying object. Depending on how precisely they align, an Einstein ring can either look like a full or partial circle around the ...

The red arc at the center of this Hubble Space Telescope image is a distant galaxy, called HerS 020941.1+001557. It appears to be partially circling another galaxy, SDSS J020941.27+001558.4, and ...

As predicted by Einstein, the first complete Einstein ring was found in 1998 by the Hubble Space Telescope. Wishing you clear skies and wide eyes.

Astronomers spotted the ultramassive black hole inside the Cosmic Horseshoe, an equally gargantuan galaxy so powerful that it ...

Across the cosmos, heavier galaxies tend to host heavier black holes, a pattern known as the M–σ relation. But the Cosmic ...

This NASA/ESA Hubble Space Telescope image offers us the chance to see a distant galaxy now some 19.5 billion light-years from Earth (but appearing as it did around 11 billion years ago, when the ...

The James Webb Space Telescope (JWST) has captured a stunning image of a bizarre astronomical optical illusion. This "rare cosmic phenomenon", called an Einstein ring, appears as a single eye-like ...

The red arc at the center of this Hubble Space Telescope image is a distant galaxy, called HerS 020941.1+001557. It appears to be partially circling another galaxy, SDSS J020941.27+001558.4, and ...

This Hubble Space Telescope image features a remote galaxy, called HerS 020941.1+001557, which appears as a red arc that partially encircles the foreground elliptical galaxy SDSS J020941.27+001558 ...