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

"No existing galaxy formation model within our standard cosmological paradigm can currently explain how this galaxy came to ...

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

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

Astronomers have discovered that the Small Magellanic Cloud, a nearby dwarf galaxy, is being torn apart by the gravitational ...

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

Up until recently, astronomy was reliant entirely on electromagnetic waves. While that changed with the confirmation of ...

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

Ever since the prominent astrophysicist Edwin Hubble discovered in the mid-20s that the universe is not static but is constantly expanding, and the ob ...

The universe remains a puzzle, full of shifting clues and unexpected revelations. In a new twist, scientists studying galaxy movements have uncovered signs that our cosmic neighborhood might be ...

Think of those variations as the "seeds" of future stars and galaxies ... by ACT reveal the detailed movement of the hydrogen and helium gas in the early universe. "Before, we got to see where ...

Data from the Atacama Cosmology Telescope (ACT) has now given researchers new detailed images of the universe's earliest ...