... First stars in the universe weren't lonely . The findings challenge the previously held wisdom that primordial stars formed in complete isolation, rather than in groups typical for stars in our Milky Way Galaxy. ... The first stars to form in the universe were not as lonely as previously thought. ... Intriguingly, some low-mass primordial stars might even have survived to the present day, allowing us to probe the earliest stages of star and galaxy formation directly in our cosmic backyard. ...