New Gaia data is challenging a 50-year-old assumption about how stars and galaxies form
Astronomers found that star clusters do not always form the same balance of small and large stars, challenging…
For the first time, astronomers identify the edge of the Milky Way’s disc
The Milky Way does not come with a clean outer line. Its disc does not stop the way…
Ancient Milky Way stars challenge the age of the universe and the Hubble tension
The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments.…