Last Watched

"The Universe"  Sort by

Going Big

   2024    Science
In the concluding episode of the series, Jim encounters ever larger cosmic structures to reveal the latest breakthroughs in our understanding of the universe. For example, Jim comes face to face with our galactic home, the Milky Way, a monstrous structure sculpted by the gravitational forces of dark matter. Jim finds out from pioneering researcher Adrian Fabian about the black hole at its centre, whose strange behaviour includes emitting the lowest note that can be heard in the cosmos.
At an even greater scale, Jim encounters huge structures such as the Laniakea Supercluster, of which the Milky Way is only a tiny part. Then there’s the 'Giant Arc', a collection of galaxies that account for more than three per cent of the observable universe. Jim learns from its discoverer, British PhD student Alexia Lopez, that this gargantuan structure is forcing scientists to reassess their theory of how the universe evolves and may overturn some of the most fundamental principles in physics.
Series: Secrets of Size: Atoms to Supergalaxies

Going Small

   2022    Science
In this mind-bending series, Professor Jim Al-Khalili explores the vast range of size in the universe, from tiny atoms to gigantic, interconnected galaxies.
In the first episode, Jim will enter the world of objects that are too tiny to glimpse with the naked eye. Starting with the smallest insects, he moves on to encounter living cells with amazing superpowers and confronts some of humanity's deadliest enemies in the form of viruses. Going smaller still, he encounters wondrous new nanomaterials such as graphene, discovered by physicist Andre Geim. These are revolutionising engineering, medicine, computing, electronics and environmental science. Finally, Jim comes face to face with the fundamental building blocks of the world around us – atoms – and reveals why understanding the science of the 'small' is crucial to the future of humanity.
Series: Secrets of Size: Atoms to Supergalaxies

How did the Universe Begin

   2021    Science
Scientists on the BICEP and Planck missions are attempting to solve a mystery about the earliest moments of our universe, by searching for patterns in the Cosmic Microwave Background (CMB). If successful, the missions will help to answer the biggest question anyone can ask: how did our universe begin?
Series: Secrets of the Universe

Chasing Black Holes

   2020    Science
This is the story of two of the biggest scientific breakthroughs of the 21st century, told by the incredible scientists who made them happen. The first is LIGO’s measurement of gravitational waves coming from a black hole merger, and the second, the Event Horizon Telescope’s image of a black hole.
Series: Secrets of the Universe

Finding Life on Mars

   2020    Science
For decades, scientists have dreamed of finding life on Mars. But despite their best efforts, no signs of life have been found. Could that be about to change? This is the story of the scientists and engineers behind Perseverance: the rover that could change our view of Mars forever.
Series: Secrets of the Universe
Black Hole Apocalypse
Black Hole Apocalypse

   2018    Science
The Germanic Tribes
The Germanic Tribes

   2007    History
The Last Dance
The Last Dance

   2020    Culture
Putin: A Russian Spy Story
Putin: A Russian Spy Story

   2020    History
The Beatles: Get Back
The Beatles: Get Back

   2021    Art
A History of Christianity
A History of Christianity

   2011    History
How Art Made the World
How Art Made the World

   2006    Art
Building Giants
Building Giants

   2019    Technology