Living in a rotating universe would be strange indeed. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We know that planets rotate, but what ...

Ever since Astronomer Edwin Hubble discovered in 1928 that the great galaxies, thinly scattered through space, are fleeing from one another, scientists have tried to explain the expanding universe, or ...

How big is the universe? The question has been debated for centuries with no decision. Some theorists think that the universe is infinitely large, with galaxies extending forever into infinite space.

All the Latest Game Footage and Images from Universe Size Comparison VR How does an atom look like compared to a planet? How big is the Milky Way compared to other galaxies? In this simple application ...