Astronomers have identified the first globular cluster stellar stream outside the Milky Way, paving the way for innovative methods to map dark matter in distant galaxies.

Deep Hubble Space Telescope imaging of the ultra-diffuse galaxy UGC 9050-Dw1 reveals an extragalactic globular cluster stream, with analysis and modelling probing the rich dark…

For the first time, researchers have discovered a globular cluster stellar stream in a galaxy beyond the Milky Way – specifically in an ultra-diffuse galaxy. The discovery opens…