Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

A team of astronomers, led by Yale University, has made an exciting discovery—a giant galaxy with a record-breaking nine ...

Am astrophotographer has now unveiled the most breathtaking photo of the Andromeda galaxy we've ever seen, and he took it ...

The "Cosmic Horseshoe" is an Einstein ring, a system made up of a foreground galaxy whose mass is so great, it warps the ...

Star clusters are formed when gravity pulls young stars together, forcing them to orbit each other. A star cluster can ...

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

NASA’s Hubble Space Telescope has identified 36 dwarf galaxies orbiting the Andromeda Galaxy. The images were compiled over ...

A new image from the Hubble Space Telescope shows one of the most famous and beautiful objects in the night sky.

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they ...

Hubble's latest survey of Andromeda reveals a chaotic past, a swarm of satellite galaxies, and a cosmic mystery that ...

SPHEREx is set to launch at Friday from California. Here are five things to know about NASA's latest advanced space telescope ...