An intergalactic void is responsible for pushing the Milky Way and Andromeda at mad speeds through the Universe, according to a new study. It might not feel like it from here on Earth, but the Milky ...

Image: This Hubble Space Telescope image shows NGC 1275, a galaxy located in the center of the Perseus cluster. The red threadlike filaments are composed of cool gas suspended by a magnetic field.

After spending most of their lifetimes stuck inside a cosmic wilderness, two dwarf galaxies have apparently made the leap to join a nearby group of galaxies in a star-formation party. The two galaxies ...

This color composite taken on Nov. 8, 2014 by the Hubble Space Telescope of Pisces B shows what the dwarf galaxy would look like to the naked eye – a faint cluster of blue stars surrounded by distant, ...