Astronomers make a groundbreaking discovery in the Milky Way galaxy.

The Gaia mission revolutionizes our understanding of the cosmos.

Stellar wobbles reveal the presence of an unseen companion, Gaia BH3: the largest stellar black hole ever observed.

Gaia BH3 challenges our understanding of black hole formation.

Discover more about Gaia BH3 and the Gaia mission's groundbreaking discoveries.