Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

Watch the mesmerizing Tarantula Nebula video captured by the Hubble telescope, showcasing the most productive star-forming ...

Island universes referred to the idea that there could be enormous stellar systems outside the Milky Way—but astronomers now just call these systems galaxies. In 1920, astronomers Harlow Shapley ...

Island universes referred to the idea that there could be enormous stellar systems outside the Milky Way – but astronomers now just call these systems galaxies. In 1920, astronomers Harlow ...

Astronomers discover Inkathazo, a massive giant radio galaxy spanning 3 million light-years, using South Africa's MeerKAT ...

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images ...