A Rare Extragalactic Stellar Stream Reveals Hidden Dark Matter

<p><img alt="Hubble Space Telescope image showing the globular cluster stellar stream. Hubble Space Telescope and Holm et al. (2026)" height="720" src="https://www.universetoday.com/article_images/Low-Res_Data_simple_pretty_box_183mm_dpi6001.jpg_20260813_191547.jpeg" width="1280" /></p><p>Scientists have discovered a rare star formation hidden in a distant galaxy, unlike anything seen before beyond the Milky Way. What’s more, the discovery offers a brand new way to measure the distribution of dark matter in distant galaxies.</p>