The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

Most galaxies in the Universe are low-mass dwarf galaxies, the majority of which are satellites orbiting around a more massive galaxy, such as our Milky Way.

There may be many more satellite galaxies in the Milky Way than have been observed, according to new Durham University ...

The Hubble Space Telescope captures the dwarf galaxy NGC 4449 in the constellation Canes Venatici (The Hunting Dogs).

The Hubble Space Telescope captures the dwarf galaxy NGC 4449 in the constellation Canes Venatici (The Hunting Dogs).

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

This evening’s viewing challenge is the planet Mercury. It is less than half a fist above the west-northwestern horizon at ...

New study by Caltech scientists finds distant third stars may be the hidden force behind volatile white dwarf duos.

The James Webb Space Telescope’s Near-Infrared Camera captured an "array of stars that make up the dwarf galaxy Wolf–Lundmark–Melotte (WLM)," according to the NASA. Zoom into the imagery ...