The universe is vast, and it’s growing bigger by the second. Thanks to cosmic expansion, the distance to the edge of the observable universe is approximately 46.5 billion light-years from Earth.

The edge of the observable universe is about 45.7 billion light years away in all directions, which is just a really big number to brains designed more for counting bananas than the number of ...

There may be 2 trillion galaxies in the observable universe, although that number has recently been estimated at only several hundred billion based on new data from New Horizons. Assuming the universe ...

Frontier, the second fastest supercomputer in the world, used dark matter and the movement of gas and plasma rather than just gravity to model the observable universe. Comments ( 0 ) ( ) ...

The Milky Way is just a speck in a universe filled with an untold number of galaxies. But if we had to take an educated guess, how many galaxies are in the universe? That sounds like a simple ...

This is just a small part of the universe—less than 1% of the entire observable universe—but it is our galactic neighborhood. And it is good to know the geography of your neighborhood.

Assuming the universe is isotropic, the distance to the edge of the observable universe is roughly the same in every direction.