Dark matter doesn’t seem to interact with the matter we can see and touch, so scientists look for it in unusual places, like ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

The suburbia of the Milky Way does not form a ball of matter with the center at its center. Rather, the mass around it is arranged in a wide, flattened form, which alters the sense of gravity back ...

Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...

Dark matter doesn't absorb or give off light so scientists can't study it directly. But they can observe how its gravity ...

Discover seven unusual galaxies defying scientific predictions, from impossibly bright early universe objects to astrophysics ...

The James Webb Space Telescope (JWST) was designed to look back in time and study galaxies that existed shortly after the Big ...

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

"JADES-ID1 is giving us new evidence that the universe was in a huge hurry to grow up." ...

Scientists have created the highest resolution map of the dark matter that threads through the universe—showing its influence ...

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