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

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

About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

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

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

The James Webb Space Telescope has discovered Zhúlóng, a candidate for the most distant spiral galaxy in the universe. The ...

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

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

JADES-GS-z13-1-LA is a young galaxy shining just 330 million years after the Big Bang, signaling it's part of a process ...

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, making it nearly impossible to capture this whisper. The solution is to go to ...

It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...