The First Detection of Molecular Activity in the Largest Known Oort Cloud Comet - ALMA Imaging of C/2014 UN271 (Bernardinelli–Bernstein) at 16.6 au from the Sun: https://iopscience.iop.org/article/10.3847/2041-8213/add526 -> Largest Oort Cloud #Comet Ever Observed Reveals Its Secrets with ALMA’s Powerful Gaze: https://public.nrao.edu/news/largest-oort-cloud-comet-ever-observed-reveals-its-secrets-with-almas-powerful-gaze/ - giant comet’s molecular activity and chemistry detected at record distance.