June storm clouds don’t often form before early afternoon, but this one did. It looked like a doozy, too, towering and dark, ...

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 ...

Charlie is the Marketing Coordinator and Writer for IFLScience, she’s currently completing a undergraduate degree in Forensic ...

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

For the first time, astronomers located a molecular cloud by detecting hydrogen, its key component, rather than other ...