New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...

The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...

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

After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

Researchers say they've discovered the largest known object in the universe, a galactic superstructure called Quipu.

This image was captured in 1995 by the the Hubble ... LEDA 1313424 has more rings than any other known galaxy in the universe. Scientists were able to view eight rings using Hubble, and then ...

The "dark universe detective" space telescope Euclid has discovered its first Einstein ring in the process, learning about ...

The structure is nearly 600 million light-years from Earth and is an early display of the nascent dark matter telescope's ...

"They include modifications of the cosmic microwave background, distortions of sky images ... galaxy clusters and superclusters. They're so massive they challenge our understanding of how our ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...