Brian Cox's Adventures in Space and Time

Aliens: Are We Alone?

Brian Cox looks at our attempts to answer one of the most profound questions we can ask – are we alone in the universe? In this film, he explains why this search should be taken seriously.

What Is Gravity?

Brian takes a fresh look at the concept of gravity, revealing it to be far more than just the force that makes things fall to the ground.

What is Time?

Brian explores the enigma of time – a phenomenon that we take for granted but which, as far as physicists are concerned, is one of the biggest mysteries in the universe.