For decades, the Big Bang has been the reigning champion in explaining the universe's origin. It's the moment, roughly 13.8 ...

The universe is vast, beyond what we can truly comprehend. But how big is it, really? In this video, we explore the incredible size of the universe, from its observable limits to the theories that ...

A lot more universe exists beyond what we are able to observe. How can the universe be 93 billion light-years across if it is only 13.8 billion years old? Light hasn't had enough time to travel ...

How to envision travel across the Visible Universe and beyond.<BR><BR>Space is big ... everyone knows that.<BR><BR>Consider your wardrobe. 2 metres high, 2 metres wide, 1/2 a metre deep.

What's outside the ball? How big is the Universe beyond? How did it form? Potential answers are provided by a theory developed in the early 1980s known as "inflation". This theory holds that in ...

Mike Rowe narrates How the Universe Works tonight, March 24 at 8 p.m. ET/PT on the Science Channel. It’s also available to watch on Philo. What lies beyond our planet in the vastness of space ...

Inflating the ball What's outside the ball? How big is the Universe beyond? How did it form? Potential answers are provided by a theory developed in the early 1980s known as "inflation".