A team of astronomers has discovered a hidden stellar stream of stars orbiting peacefully along the galactic disk—providing evidence that a massive dwarf galaxy may have collided with the Milky Way over one 
The space telescope eROSITA just finished its first comprehensive night-sky survey, and released a stunning compiled map containing over one million X-ray objects.
New high-resolution, multi-wavelength images from the Hubble Telescope have provided astronomers insight into the chaotic deaths of massive and gassy stars.