Dragonfly 44 is a galaxy that is 99.99% dark matter.
Primordial Black Holes Could Solve Dark Matter Mystery
Black holes are not a popular solution to the dark matter mystery, but they might be the right answer after all.
Dark Matter Is Still Not Axions
We don’t know what dark matter is, but we now know it isn’t made of axions.
Children Of The Lens
The gravitational lensing of a distant galaxy points to evidence of a dark matter galaxy orbiting a galaxy like ours.
Leave It To Smith
There’s an interstellar cloud of gas heading for the Milky Way.
Triangulum II: A Dark Matter Galaxy?
We’ve found some evidence of dark matter galaxies before, and now a new paper proposes that Triangulum II could be a dark galaxy.
Hidden in the Dark
There are more nearby dwarf galaxies than we thought, and that may answer a mystery of dark matter.
Is Dark Matter Sterile?
Is dark matter sterile? That’s one idea recently presented at the National Astronomy Meeting of the Royal Astronomical Society this week.
The Dark Side
New observations of colliding galaxies shows that dark matter interacts with itself, and may do it through a “dark force.”