EVANSTON, Illinois, April 6 -- Northwestern University issued the following news release: * * * * LIGO-Virgo-KAGRA Collaboration detected an unexpected signal at start of fourth observing run * Merger includes a mystery object that is heavier than a neutron star but lighter than black holes observed in the Milky Way * Scientists infer that the mystery object is most likely a low-mass black hole * * * An international research collaboration, including Northwestern University astrophysicists more PR

EVANSTON, Illinois, April 6 -- Northwestern University issued the following news release: Construction will begin this summer to redevelop Northwestern University's East Lawn -- an open area adjacent to Norris University Center on the Evanston campus. With stunning views of nearby Lake Michigan, the new space will serve as a welcoming outdoor destination for student, faculty, staff and community interaction. A pub will be the centerpiece of the reimagined campus hub, alongside noteworthy ameni more PR