Milky Way stars that are high and low in metallicity have been mapped by the ESA Gaia mission. Credit: ESA/Gaia/DPAC ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

Observations show Andromeda has a more active star formation history than the Milky Way, potentially due to a past galactic ...

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...

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.

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers ...

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with ...