How the Universe Works

Black Holes. A star collapses, creating a black hole with gravity so massive that not even light can escape. But could they provide the key to moving around the universe? S1, Ep2

Dark History Of The Solar System. The solar system is different to others in the Milky Way, but it hides a violent past. Scientists examine the clues to reveal its secret history. S6, Ep9

Dark History Of The Solar System. The solar system is different to others in the Milky Way, but it hides a violent past. Scientists examine the clues to reveal its secret history. S6, Ep9

Black Holes. A star collapses, creating a black hole with gravity so massive that not even light can escape. But could they provide the key to moving around the universe? S1, Ep2

Black Holes. A star collapses, creating a black hole with gravity so massive that not even light can escape. But could they provide the key to moving around the universe? S1, Ep2

The Big Bang. How did the universe come into existence out of nothing? Witness how it grew from a miniscule point, smaller than an atomic particle, to the vast cosmos we see today. S1, Ep3

The Big Bang. How did the universe come into existence out of nothing? Witness how it grew from a miniscule point, smaller than an atomic particle, to the vast cosmos we see today. S1, Ep3

Mystery Of Planet 9. Scientists have discovered evidence of a mysterious ninth planet on the very edge of our solar system, could its moons support extra-terrestrial life? S5, Ep1

The Universe's Deadliest. The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe? S5, Ep2

The Universe's Deadliest. The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe? S5, Ep2

Mystery Of Spacetime. Space isn't as empty as it seems. It conceals a secret structure called spacetime - an invisible field that governs our lives. S6, Ep10

Mystery Of Spacetime. Space isn't as empty as it seems. It conceals a secret structure called spacetime - an invisible field that governs our lives. S6, Ep10

The Big Bang. How did the universe come into existence out of nothing? Witness how it grew from a miniscule point, smaller than an atomic particle, to the vast cosmos we see today. S1, Ep3

The Universe's Deadliest. The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe? S5, Ep2

The Universe's Deadliest. The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe? S5, Ep2

Galaxies. Witness the evolution of galaxies; from clouds of cold gas floating in the voids of space 13 billion years ago, to the magnificent spirals that fill our night. S1, Ep4

Galaxies. Witness the evolution of galaxies; from clouds of cold gas floating in the voids of space 13 billion years ago, to the magnificent spirals that fill our night. S1, Ep4

Black Holes: The Secret Origin. Supermassive black holes are so large they devour stars and shape galaxies. The latest science may answer why they grow so large. S5, Ep3

Life & Death On The Red Planet. Once there was life on Mars - but scientists believe a series of devastating mass extinctions transformed a watery planet into a desert. S5, Ep4

Stars That Kill. Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets. S5, Ep5

Stars That Kill. Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets. S5, Ep5

Nightmares Of Neutron Stars. Neutron stars are violent phenomena that defy the laws of physics. New discoveries reveal they have the power to destroy planets and even other stars. S7, Ep1

Nightmares Of Neutron Stars. Neutron stars are violent phenomena that defy the laws of physics. New discoveries reveal they have the power to destroy planets and even other stars. S7, Ep1

Black Holes: The Secret Origin. Supermassive black holes are so large they devour stars and shape galaxies. The latest science may answer why they grow so large. S5, Ep3

Galaxies. Witness the evolution of galaxies; from clouds of cold gas floating in the voids of space 13 billion years ago, to the magnificent spirals that fill our night. S1, Ep4

Stars That Kill. Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets. S5, Ep5

Stars That Kill. Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets. S5, Ep5

Life & Death On The Red Planet. Once there was life on Mars - but scientists believe a series of devastating mass extinctions transformed a watery planet into a desert. S5, Ep4

Stars That Kill. Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets. S5, Ep5

Secret History Of Pluto. Despite Pluto's appearance as a dark and frozen world, scientists are investigating whether there might be warm liquid water beneath the surface. S5, Ep6

Secret History Of Pluto. Despite Pluto's appearance as a dark and frozen world, scientists are investigating whether there might be warm liquid water beneath the surface. S5, Ep6