The Dark Energy Spectroscopic Instrument observes the sky from the Mayall Telescope, shown here during the 2023 Geminids meteor shower. (Credit: KPNO/NOIRLab/NSF/AURA/R. Sparks) A University of Texas at Dallas physicist and his international colleagues in the Dark Energy Spectroscopic Instrument (DESI) collaboration are engaged in a multiyear data-gathering mission to try to answer one of … Continue reading New DESI Data Shed Light on Gravity’s Pull in the Universe