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.

Scientists are investigating enigmatic phenomena observed in the center of our galaxy. Telescopes are detecting mysterious ...

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

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

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

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

But a smoothly distributed dark matter halo can. Our findings suggest that the centre of the Milky Way may offer new clues about the fundamental nature of dark matter. Future telescopes with better ...

The detection of dark matter, the elusive type of matter predicted to make up most of the universe's mass, is a long-standing ...

In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...