Far above the dusty lanes of the Milky Way, an unusual structure near the star-forming hub Cygnus X is rewriting what you think you know about how young stars shape their surroundings. Instead of the ...

Near Cygnus X, 4,500 light-years away, the Diamond Ring—a glowing gas ring—expands unusually slowly at 1.3 km/s, spreading sideways through a flat cloud, revealing rare late-stage evolution. Hundreds ...