Could Dark Matter be Black Holes?
Could LIGO have detected dark matter? Maybe dark matter is actually billions and billions and billions of black holes.
Dark Matter in the Milky Way: ‘A Matter of Perspective’
Does the shape of the dark matter distribution in the Milky Way’s satellite galaxies depend on the direction from which they are observed?
Wobbling Galaxies: Evidence of Dark Matter Interactions?
Do wobbling galaxies at the center of galaxy clusters indicate interactions between dark matter particles?
Galactic Archaeology of the Sagittarius Stream
Observations of stars today can reveal billions of years of history.
The Origin of the IceCube Neutrinos: An Ongoing Mystery
Star-forming galaxies have been eliminated as the top suspects for the origin of the IceCube neutrinos, leaving behind a dwindling list of unexpected possibilities.