The Milky Way does not come with a clean outer line. Its disc does not stop the way a coastline does. It fades, becoming ...

How far the Milky Way's disk extends has long been difficult to define—it doesn't end sharply, but fades away gradually at its outer edges. Now, for the first time, an international team of ...

The older stars migrated out from the galactic center, leaving the younger ones inside.

Astronomers have identified the outer boundary of the star-forming region in the Milky Way. By analysing the ages of stars ...

For the first time, astronomers have seen life's building blocks in ice beyond the borders of our galaxy. Among a mix of complex organic molecules trapped in ice circling a newborn star in the Large ...

Do the building blocks of life exist beyond the Milky Way, and can we identify them? This is what a recent study published in The Astrophysical Journal Letters hopes to address as an international ...

The research found that stars generally become younger further out, which fits with the idea that galaxies grow from the ...

For Rayna Rampalli, it is a fossil, a chemical roadmap, and a key to understanding why some corners of the Milky Way are ...

How far the Milky Way's disc extends has long been difficult to define — it doesn't end sharply, but fades away gradually at its outer edges. Now, for the first time, an international team of ...