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

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

Our Milky Way galaxy may not have a supermassive black hole at its center but rather an enormous clump of mysterious dark ...

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

They slip through your skin, your walls, and the whole Earth without leaving a mark. Neutrinos earn the nickname “ghost ...

At the center of our galaxy, something incredibly heavy is pulling the strings. Stars ...

The Orion constellation is home to some of the most luminous stars in our Milky Way galaxy. When you purchase through links ...

New radio observations of the Milky Way are exposing hidden patterns in its magnetic field. People have scanned the night sky ...

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

There is a lot we have yet to understand about the center of the Milky Way—could it be due to a mass of invisible dark matter?

For more than a century, astronomers have watched in astonishment as the Andromeda galaxy ignored the grand flow of cosmic expansion and hurtled straight toward the Milky Way. While almost every other ...

For years, astronomers have observed the strange motion of Andromeda, the Milky Way’s closest large galactic neighbor. While ...