Scientists believe galaxies like UGC 477 are largely dominated by dark matter.

When it comes to the Milky Way and Andromeda galaxies, there’s a whole “will they or won’t they” thing going on. In 2012 ...

This NASA Hubble Space Telescope image reveals an enigmatic galaxy with a bright center and a face that hints at spiral ...

It’s been textbook knowledge for over a century that our Milky Way galaxy is doomed to collide with another large spiral galaxy, Andromeda, in the next 5 billion years and merge into one even bigger ...

All galaxies are dominated by dark matter, an invisible "stuff" that outweighs all of the matter comprising stars, planets, and moons by around five to one. But in some galaxies, dark matter takes ...

This deep space image taken by NASA's Hubble Space Telescope contains CDG-2, a dark matter-dominated galaxy. Credit: NASA / ESA / David Li et al. / J. DePasquale Astronomers have spotted something ...