A Cosmic Christmas Tree Lights Up the Milky Way

Night sky tonight Dec. 22: Look for the crescent moon and Earthshine shortly after sunset

The $4.3 billion space telescope Trump tried to cancel, the Nancy Grace Roman Space Telescope, is now complete “We’re going to be making 3D movies of what is going on in the Milky Way galaxy.”

Dark matter ‘nuggets’ could explain the Milky Way’s mysterious glow