The Local Group, containing approximately 85 gravitationally bound galaxies within ~10 million light-years, offers a unique opportunity to study galaxy evolution in detail, including interactions ...

Edwin Hubble initially identified approximately 11-12 galaxies within the Local Group, a term he coined, while current estimations place the number of members at 125 or more. The Local Group's total ...

The Hubble Space Telescope has uncovered an isolated cosmic fossil, which may offer new insight on galaxy formation. Located about 3 million light-years from Earth, the Tucana Dwarf galaxy sits at the ...

Historically most scientists thought that once a satellite galaxy has passed close by its higher mass parent galaxy its star formation would stop because the larger galaxy would remove the gas from it ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

Astronomers know that mergers play a huge role in galaxy growth. Right now, the Milky Way is slowly consuming the Large and ...

A high-resolution colour image showing the central galaxies NGC5713 and NGC5719 taken by the Hyper Suprime-Cam at the Subaru telescope in Hawaii. A cosmic dance could be the future of the Milky Way as ...