Cosmology has an ambitious goal: to understand the Universe in its entirety. Find out more here.
Since he Universe is all there is, there's nothing for it to expand into. So what does "expansion" mean?
The cosmic microwave background is the earliest light we can see in the Universe. So important is this baby picture of the Universe, it's been involved in two Nobel Prizes. Why?
In memory of Stephen Hawking we look at the equation he was most proud of.
How will the Universe end? In a big crunch? Or a big freeze? It all depends on its shape...
Physicists have discovered evidence that our Universe might be a giant hologram.
When it comes to the entire cosmos, we humans are incredibly small and insignificant. But that's precisely why we need to take ourselves into account when thinking about the Universe. Find out why.