On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.

Astronomers propose that an ultra-dense clump of exotic dark matter could be masquerading as the powerful object thought to ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

Most of the universe is slipping away from the Milky Way, carried outward as space itself expands. Yet one giant neighbor is bucking the trend, racing straight at us while almost every other major ...

Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from ...

A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...

Do the building blocks of life exist beyond the Milky Way, and can we identify them? This is what a recent study published in The Astrophysical Journal Letters hopes to address as an international ...

For many years, scientists have tried to understand how the Milky Way is positioned in space, and how it moves together with ...

A groundbreaking new radio image reveals the Milky Way in more detail than ever before, using low-frequency radio “colors” to map the galaxy’s hidden structures. The image is sharper, deeper, and ...

According to their model, this dark matter would naturally form a two-part structure: an extremely dense central core ...

Scientists are mapping the Milky Way galaxy’s invisible magnetic field, revealing how it holds the galaxy together and ...