Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot.

NASA found a big cosmic spiral while looking at radio antennas spread through Europe. Now, It's trying to understand how this cosmic structure is so big.

Despite being the place we call home, much about the Milky Way galaxy remains a mystery. That's partly due to its size — at 100,000 light years across, it's unfathomably massive, containing ...

The black hole, spotted 5 billion light-years away in the Cosmic Horseshoe, could be the most massive ever found.

Measuring a galaxy’s brightness or apparent size is not a good guide to its distance. Hubble leveraged a discovery made by Henrietta Swan Leavitt 10 years earlier.

About 5 billion light-years away from where you're sitting, in one of the most massive galaxies on record, there exists an ...

What if Sgr A* binges on a star? As mentioned above, there are some major differences between J2345-0449 and the Milky Way, including the fact our galaxy is a third of the size of its distant cousin.

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the ...

CINCINNATI (WKRC) - Scientists reportedly spotted a comet the size of Manhattan flying through the Milky Way galaxy, marking the third time an object from outside the galaxy has been spotted in ...

A giant radio galaxy, 32 times the size of the Milky Way, has been discovered by the MeerKAT telescope in South Africa. Named Inkathazo, this galaxy challenges existing models due to its unusual ...