Astronomers came to the surprising conclusion that there are at least 10 times more galaxies in the observable universe than previously thought.

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey ...

The science and philosophy channel Kurzgesagt has come out with a mind-blowing size comparison of the universe's black holes. The post Black Hole Size Comparison Chart Gives New View of Universe ...

This Video Gives a Frightening Size Comparison of the Black Holes Lurking in Our Universe: Space is a scary place.

BUFFALO, N.Y. — In the beginning, the world was empty and cold. Prior to the Big Bang — yes, before the Big Bang — the universe underwent a breathtaking cosmic expansion, doubling in size at least 80 ...