Look up at the night sky and it is easy to believe that stars and galaxies are where the universe keeps almost all of its ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of ...

New research puts forward compelling new evidence that dark matter interacts with cosmic "ghost particles" called neutrinos.

Astronomers using the NASA and European Space Agency’s Hubble Space Telescope have identified what appears to be a ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

(CNN) — At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars.

Their study gives new insight into the relationship between dark matter and supermassive black holes when the universe was still very young, and how galaxies have evolved until today. Figure 1. Left: ...

WASHINGTON, Dec 8 (Reuters) - Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds of galaxies, gas and dark matter that makes ...

If you could step back a few quadrillion miles and look at the Milky Way from the outside, you’d see a magnificent, glowing pinwheel of stars and gas, its arms curving majestically outward from a huge ...