Dark Matter

Something other than just gravity is contributing to the shape of dark matter halos

Galactic dark matter is in a state of maximum entropy, which means it must interact with itself.

3 weeks ago

The galaxy with 99.99% dark matter isn’t so mysterious any more

The dwarf galaxy known as Dragonfly 44 caused a stir recently: apparently it had way, way more dark matter than…

1 month ago

If dark matter is a particle, it should get inside red giant stars and change the way they behave

Dark matter makes up the vast majority of matter in the universe, but we can't see it. At least, not…

2 months ago

The Destruction of Dark Matter isn’t Causing Extra Radiation at the Core of the Milky Way

While recent studies suggest that dark matter interactions might create gamma rays, a new study of gamma rays in our…

2 months ago

Small Amounts of Dark Matter are Creating Much Stronger Gravitational Distortions than Anyone Expected to See

Dark matter is much more clumpy than we thought, which means some dark matter might be very cold.

2 months ago

New Simulation Shows Exactly What Dark Matter Would Look Like If We Could See It

A detailed simulation of dark matter finds that dark matter haloes form in a wide range of sizes.

3 months ago

Gamma Rays Detected Coming From the Crab Nebula

Most people with any interest in astronomy know about the Crab Nebula. It's a supernova remnant in the constellation Taurus,…

6 months ago

A Massive Rotating Disc Discovered in the Early Universe

If we want to understand how the Universe evolves, we have to understand how its large structures form and evolve.…

6 months ago

Decaying Dark Matter Should be Visible Here in the Milky Way as a Halo Around the Galaxy

Astronomers are very sure that dark matter exists, but they're not sure at all what it's made of. The problem…

8 months ago

Slime Mold Grows the Same as the Large Scale Structure of the Universe

Matter in the Universe is not distributed equally. It's dominated by super-clusters and the filaments of matter that string them…

9 months ago