Scientists have discovered a gigantic, glowing gas of hydrogen gas lurking just 300 light-years away. As detailed in a paper to be published in the journal Nature Astronomy, the international team of researchers spotted the crescent-shaped gas cloud,

The birthplace of stars begins within large, cold clouds of gas and dust, which eventually collapse under the weight of gravity. Molecular clouds are vast cosmic entities that often stretch for hundreds of light-years, and scientists just discovered a massive one lurking in our celestial neighborhood.