Scientists are keen to get to the bottom of the dark matter puzzle because this phenomenon accounts for the vast majority of ...

Spur and gap features seen in Milky Way’s GD-1 stellar stream could be caused by a self-interacting dark matter subhalo. New research points to a dark matter subhalo as the architect behind the unique ...

Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky Way.