NASA's Fermi detects evidence of dark matter in Andromeda galaxy
The gamma-ray signal detected by the Fermi Gamma-ray Space Telescope is similar to one seen by Fermi at the center of our own Milky Way galaxy.
Feb 22, 2017, 09:05 AM ISTNASA's Hubble sees spiral in Andromeda
The US space agency has released a beautiful image of galaxy known as NGC 7640.
Feb 12, 2017, 00:24 AM IST