Pune: Some of the earliest galaxies of the universe were well organised less than a billion years after the Big Bang, ...

Astronomers at Durham University have made a major advance in understanding how galaxies formed and evolved in the early ...

Dark matter may be far more complicated than scientists once believed. A new study suggests it could consist of at least two ...

An intense demolition derby of at least six galaxies smashing into one another has been found lurking in the early universe by the James Webb Space Telescope.

European astronomers have conducted optical and radio observations of an enigmatic radio source designated GRS 0917+75. As a ...

One of the biggest problems astronomers face when they peer into the night sky is that the heavens above appear two-dimensional. And, indeed, shortly after launch, JWST seemed to make those dreams ...

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite galaxies—up to 100 more than we currently know. These elusive "orphan" galaxies have ...

The Bullet Cluster is considered important evidence for the existence of dark matter. Now a research team believes it can explain its peculiarity differently.

Massive galaxies? Dusty black holes? Black hole stars? Scientists have raised a lot of theories around what the crimson blobs in James Webb data might be.

An international team of astronomers has identified three ultra-massive galaxies—each nearly as massive as the Milky Way—already in place within the first billion years after the Big Bang. The ...

What does it mean to find a galaxy without dark matter, or with very little of it?

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Astronomers peering back deep in time into the distant universe think ...