Home Observational Relativity and Cosmology News News from the Observational Relativity and Cosmology department News Ten new neutron stars for Terzan 5 July 16, 2024 Astronomers find and study multiple rare and unusual pulsars in dense stellar cluster using the South African Radio Astronomy Observatory’s MeerKAT and the U.S. National Science Foundation Green Bank Telescope. more 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 Show more