We don’t know for sure, but the answer is inextricably linked to the moment when water first materialized in the cosmos — and ...

“The nebula’s colorful gas clouds hold wispy tendrils and dark clumps of dust,” Hubble scientists explain. “This dust is different from ordinary household dust, which may include of bits ...

Satellite imagery and photos show how “dirty rain" and “dirty snow" showered parts of the Upper Midwest on Wednesday, due to ...

The Milky Way's Central Molecular Zone (CMZ) is unlike most of the galaxy. Almost 80 percent of the Milky Way's dense gas is ...

And a Reddit post shared to r/AskUK pointed out another such case to me ― what are those black clumps that we so often see in tree branches? A top-voted comment suggested they were “bird nests ...

If you look closely at this image, you'll see that many of these reddish clouds are associated with clumps of blue stars, often appearing to form a shell around the stars. H II regions arise in ...