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

It's named Eos, after the Greek goddess of the dawn, and contains approximately 3,400 solar masses worth of gas.

The National Science Foundation's Dark Energy Camera reveals a stunning glimpse into the 'dark nebula' known as the Circinus ...

Astronomers finally spotted a previously 'invisible' object near our solar system when they realized it was actually glowing ...

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