Gaia mission

Space Astronomers discover a lost galaxy buried in the Milky Way’s ancient star clusters

Hubble traced 12 ancient star clusters to a vanished dwarf galaxy that merged with the young Milky Way about 12 billion years ago.

Space New Gaia data is challenging a 50-year-old assumption about how stars and galaxies form Joseph Shavit

Space First ALMA SETI survey searches new frequencies for signals from alien civilizations Joseph Shavit

Space Cosmic collision: The Milky Way once flipped by more than 90 degrees Joshua Shavit

Space For the first time, astronomers identify the edge of the Milky Way’s disc Joshua Shavit

Space Ancient Milky Way stars challenge the age of the universe and the Hubble tension Joseph Shavit