In their study published Thursday in the journal Science, they showed that by measuring the distance between classical Cepheid variable stars within the galaxy, they could develop a three-dimensional ...

Astronomers uncover a young galaxy similar to the Milky Way, shedding light on its early formation just 600 million years ...

By reconstructing stellar orbits using real Milky Way stars with accurately determined parameters, the team quantified the Galaxy’s mass-weighted chemical abundances and age structure.