Astronomers have long been puzzled by two strange phenomena at the heart of our galaxy. First, the gas in the central ...

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

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

The rotating disk galaxy, mostly made up of dark matter, was discovered within a larger cloud of fast-moving hydrogen gas.

The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

Discover the amazing similarities between Zhúlóng and the Milky Way, challenging our understanding of galaxy evolution.

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

How new dark matter could solve mystery about Milky Way - Telescopes have detected a mysterious glow of gamma rays ...

In particular, it provides a way to test models involving light dark matter particles, which are difficult to detect using traditional laboratory experiments. Move observations of the Milky Way ...