A new type of self-interacting dark matter could provide solutions to three very different cosmic puzzles, new research ...

A good chunk of cosmology is riding on whether dark matter exists or not. But what makes us so certain that dark matter is ...

Something invisible holds the universe intact. It outweighs everything you can see—every star, every gas cloud, every ...

A new kind of dark matter could help explain some of the universe’s mysteries, a new study suggests. The study proposes that there are dense clumps of “self-interacting dark matter”, or SIDM, each ...

In the chaotic first moments after the Big Bang, ripples in spacetime may have done more than just echo through the ...

A growing mystery in astronomy is the presence of gargantuan black holes—some weighing as much as a billion suns—existing less than a billion years after the Big Bang. According to the standard theory ...

Researchers have been looking at everything, including supernovas, trying to uncover the mysteries of dark matter. Recent scientific studies suggest that dark matter might not be a particle hiding in ...

In the standard model of cosmology, dark matter particles do not collide with themselves. Self-interacting dark matter can ...

Ask most astronomers, and they’ll tell you that dark matter and dark energy make up more than 95 percent of the universe and that they are the explanations for many of the large-scale phenomena we ...

Dark centre? A simulated version of the Milky Way galaxy. (Courtesy: AIP/ A. Khalatyan) Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation ...