Galaxies stopped growing sooner than cosmic models predict

Berlin, Germany (SPX) Apr 03, 2025
For decades, astronomers believed that only star-forming galaxies populated the earliest epochs of the Universe. But new data from the James Webb Space Telescope (JWST) has overturned this expectation, revealing galaxies that halted star formation far earlier than previously imagined. In a major finding, a global team led by University of Geneva (UNIGE) researchers has identified the most distan