A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.

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

The Hubble Space Telescope revealed that the Andromeda Galaxy’s ecosystem differs from our Milky Way’s. This shows how these ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped ...

A previously unknown dwarf galaxy has been discovered on the outskirts of the Andromeda Galaxy, adding to the growing list of ...

Fast-moving stars in the Milky Way indicate there could be a supermassive black hole in the neighboring Large Magellanic ...

An international team of astronomers reports the discovery of a new dwarf galaxy, which they have named Pegasus VII. The ...

Astronomers using the James Webb Space Telescope have captured a stunning image of Leo P, a small, isolated dwarf galaxy ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

Scientists didn't expect that stars would be able to still form in the dwarf galaxy known as Leo P, which the James Webb ...