While we can never directly "see" the whole of the universe or ... Take the case of a universe with so much matter that gravity arrests the expansion and everything finally collapses in on itself.

The observable universe — the portion we can see from Earth — has been estimated to be about 93 billion light-years in ...

As their paths converge, we can see where and when they started in the first place. From there, scientists can rewind cosmic time, running the clock backward to estimate the universe's maximum age.

Galaxies in the present-day Universe fall into two broad categories. There are spiral galaxies, like our Milky Way, which are ...

Scientists have used the world's fastest supercomputer to show the universe ... see only what the torch illuminates. 'That does not mean that the room around you does not exist. 'Similarly we ...

In this video, Neil explains how new telescopes will help us see the origins of the universe. National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is ...

And we can hope their ... of the universe is incomplete. The Cepheid variable star, used as a reference for measuring the universe’s rate of expansion, is much crisper in the Webb version ...

It is as humbling as it is motivating to think about how much we still have to learn about the universe. My collaborators and ...