"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

Astronomers may have uncovered a hidden population of galaxies that could rewrite what we know about the universe's evolution ...

The potential finds could be contributing to some of the faintest light we can see in the universe, say researchers.

In a nutshell Scientists have discovered Zhúlóng, a fully-formed spiral galaxy that existed just 1 billion years after the Big Bang, challenging our understanding of how quickly galaxies can mature ...

Astronomers have peered back in time to find what looks like a population of "hidden" galaxies that could hold the key to ...

Zhúlóng is the most distant spiral galaxy ever seen. It formed 1 billion years after Big Bang, yet has a calm structure like ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it ...

An international team led by NSF NOIRLab astronomer Christina Williams has discovered the most distant spiral galaxy known to ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...