ESA's Euclid mission is exploring the "dark universe." The space telescope's latest images offer fascinating new insights.

"This is an amazingly lucky ‘galactic line-up’ – a chance alignment of multiple galaxies across a line-of-sight spanning most of the observable universe," David Schlegel, an astrophysicist ...

Every elliptical galaxy we've observed could have at one point been multiple galaxies in close proximity, just like Arp 91. But it's all so far away and happening so slowly (in relative terms ...

Here’s how it works. Astronomers have discovered something surprising about the universe's smallest and faintest class of galaxies: Ultra-Diffuse Galaxies (UDGs). A research team studying these ...

Hubble’s sensitivity and sharpness reveals a compact group of multiple galaxies that may be in the process of merging. They existed when the universe was only 5 billion years old. FRB 20220610A ...

By MARCIA DUNN NASA’s newest space telescope rocketed toward orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic ...

NASA launched a new space telescope to explore the origins of the universe. The SPHEREx mission, which stands for ...

Newly discovered Quipu, a superstructure in which galaxies group together in clusters ... made up of one long filament and multiple side filaments. It spans roughly 1.3 billion light-years ...

Using early data from the Dark Energy Spectroscopic Instrument (DESI), a team of scientists have compiled the largest sample ever of dwarf galaxies that host an actively feeding black hole ...