During the week of April 15, 2025, Andreu Font delivered a talk at Harvard’s Center for Astrophysics, presenting the latest Baryon Acoustic Oscillation (BAO) results from the Dark Energy Spectroscopic Instrument (DESI) collaboration. His presentation, titled “How Constant is the Cosmological Constant? Challenging the ΛCDM Model with New Measurements from the DESI Collaboration ”, explored how recent data may question key assumptions of the standard cosmological model.

The talk is available to watch online .

Tyann Dumerchat joined the Observational Cosmology group as a postdoctoral researcher

The Vera C. Rubin Observatory has reached a major milestone with the successful installation of the LSST Camera on its telescope.