At 300 light-years away, the interstellar cloud is the closest of its kind ever found to Earth and the largest apparent single structure in the sky.

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

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the ...

"The data showed glowing hydrogen molecules detected via fluorescence in the far ultraviolet. This cloud is literally glowing ...