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.
Could a decades-long debate about the mysterious movements of stars in Omega Centauri, the largest star cluster in the Milky Way, finally be resolved? Could a decades-long debate about the ...
The globular cluster NGC 2005, featured in this Hubble image, is located about 750 light-years from the heart of the Large Magellanic Cloud, which is the Milky Way’s largest satellite galaxy and ...