andromeda galaxy

NASA's Fermi Finds Possible Dark Matter Ties in Andromeda Galaxy

NASA's Fermi Finds Possible Dark Matter Ties in Andromeda Galaxy

NASA’s Fermi Gamma-ray Space Telescope has found a signal at the center of the neighboring Andromeda galaxy that could indicate the presence of the mysterious stuff known as dark matter. The gamma-ray signal is similar to one seen by Fermi at the center of our own Milky Way galaxy.