The universe is undergoing an accelerated expansion, but the rate of that expansion has been a very controversial topic over ...

Our little Local Group, by contrast, contains roughly 50 confirmed and possibly 30 unconfirmed galaxies, most of them unimpressive dwarfs. Many, perhaps most, galaxies exist in such small groups ...

A newly discovered dwarf galaxy in the Local Group has been found to have formed in a region of space far from our own and is falling into our system for the first time in its history, according ...

In the local group of galaxies that also includes the Andromeda Nebula and our Milky Way, there are about 100 billion stars. According to astronomers' calculations, there should be many more.

A recent sky survey has turned up eight new members of our Local Group of galaxies, including a new class of ultra-faint "hobbit" galaxies and what might be the smallest galaxy ever discovered.

For galaxies like our own, we'll remain bound to our local group, including Andromeda, Triangulum, and about 60 additional galaxies, until they all merge together many billions of years in the future.

Our local supercluster spans 10 times the diameter of the Local Group, gathering smaller groups and clusters of galaxies together into a galactic megacity. Skip to content Introducing the all-new ...

Galaxies, including the Milky Way, grow from thick, turbulent disks into layered structures. JWST’s images show this process ...

A recent sky survey has turned up eight new members in our Local Group of galaxies, including a new class of ultra-faint "hobbit" galaxies and what might be the smallest galaxy ever discovered.

It exists with over 50 other galaxies called the Local Group, ... (M33) — the latter half the size of our Milky Way and the third-largest galaxy in our local group of galaxies, ...