Home Observational Relativity and Cosmology News News from the Observational Relativity and Cosmology department News Probing the boundaries of spacetime June 20, 2024 Using the gravitational-wave memory for a new test of general relativity and to reveal fundamental spacetime symmetries more Lightest black hole or heaviest neutron star? January 18, 2024 MeerKAT uncovers a mysterious object at the boundary between black holes and neutron stars more For whom the black hole rings November 29, 2023 Observation of multiple ringdown modes in a black hole merger more NASA’s Fermi Mission Nets Nearly 300 Gamma-Ray Pulsars … and Counting November 28, 2023 One in six of the discoveries were made by researchers at the Max Planck Institute for Gravitational Physics. more Einstein@Home joins the Zooniverse October 31, 2023 Citizen scientists can now also use their eyes and brains to help find new pulsars. more Show more