Scientists estimate over 100 billion galaxies in the universe, each unique in shape and size, revealing the vastness of cosmic creation.

Q How many galaxies are in the universe? — Gus Powvens, Madison, Wis. A Jim Lattis, director of the UW Space Place at the University of Wisconsin-Madison: Galaxies are clouds of stars that range in ...

The discovery indicates how galaxies could have grown quickly when the universe was very young, solving a long-standing ...

Astronomers believe there are about 100 billion stars in the Milky Way. But, this number of stars depends on various factors. To figure out how many stars are in the Milky Way, astronomers have to ...

Look up at the sky on a clear night, and you’ll see thousands of stars – about 6,000 or so. But that’s only a tiny fraction of all the stars out there. The rest are too far away for us to see them.

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By ...