UK-backed Gaia mission helps rethink the Milky Way's fate

Published on June 3, 2025
Milky Way and Andromeda encounters

Observations from the European Space Agency’s Gaia mission and the NASA/ESA Hubble Space Telescope have enabled astronomers to revise a long-held prediction that the Milky Way will collide with the neighbouring Andromeda galaxy in about 4.5 billion years.