From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds clues about when it formed and what the galaxy was like at the time. Over ...

Add Yahoo as a preferred source to see more of our stories on Google. The positions and trajectories of 20 hypervelocity stars as reconstructed from data acquired by the Gaia satellite, overlaid on ...

Astronomers have identified dozens of stellar streams in the Milky Way, offering clues about the galaxy’s structure and ...

The gaseous halo in our galaxy has a mass of 100 billion solar masses, which implies that it has more matter than in the ...

The Gaia telescope spotted more than 6,000 sunlike stars, all of which appear to have migrated from the galaxy's center more than 4 billion years ago. When you purchase through links on our site, we ...

AI-boosted simulation models one hundred billion Milky Way stars over ten thousand years, achieving one hundred times the detail and speed for astrophysics and climate modeling. (Nanowerk News) ...

Add Yahoo as a preferred source to see more of our stories on Google. This image shows the gas disc in a computer simulation of a Milky Way-like galaxy from the Auriga suite. Colours represent the ...

Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way cannot keep them. When a star exceeds the galaxy’s escape speed, it becomes ...