So how many stars are there? Given all of the above, astronomers estimate that the Milky Way contains around 100 billion ...

The universe may be a little darker after a recent discovery has shown that there could be fewer galaxies populating it. A previous measurement by Hubble Space Telescope suggested there were 2 ...

Brian Lacki has released a set of three prepublication studies attempting to rationalize and measure the odds of a ...

Three enormous and peculiar radio light rings were discovered far, far outside our own galaxy, shedding more light on one of ...

NASA's SPHEREx is exploring the galaxies to answer the question of where we all come from while sending back jaw-dropping ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

For years, astronomers have been working to piece together the story of our universe, but the critical early chapters remained largely incomplete. Our telescopes simply haven't been sensitive enough ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...