Despite being 3,400 times the mass of the sun and just 300 light-years away, the hydrogen cloud had gone unnoticed until now.

The cloud, named Eos, is chock-full of molecular hydrogen and possibly rife with star-forming potential in the future.

One of the largest structures in the sky, as seen from our perspective, has only just been discovered. It’s an enormous cloud ...

You know those little glow-in-the-dark stars that dot the ceilings of children’s rooms? Yeah, I didn’t have stars. Instead, I had little glowing dolphins, starfish, and sharks “swimming ...