From the baffling true scale of our solar system to the unbearable vastness of the universe, this incredible interactive map reveals the true size of the cosmos.

Let’s explore this cosmic perspective together. How big is the universe? It’s a question that stirs both wonder and humility. The observable universe stretches 93 billion light years across ...

The limit of our vision extends more than 46 billion light years in all directions. But how big was the Universe when it was first born?

The cosmos has been expanding since the Big Bang, but how fast? The answer could reveal whether everything we thought we knew about physics is wrong.

The universe is undoubtedly a big place. But just how big is it? "That may be something that we actually never know," Sarah Gallagher, an astrophysicist at Western University in Ontario, Canada ...

Knowing how the Universe has expanded, they can also work out how big the same regions should appear on the sky today. Here’s where the connection with the Universe’s weight comes in.