How the Universe Works
Exploring the inner workings of outer space.
The Moons of Saturn
S11 E1
With more than 80 moons, Saturn could rank among the most dynamic planetary system in Sol's neighborhood; with its giant underground oceans and protective magnetic fields, experts explore how Saturn's moons offer new insight into the Solar System.
A Robot's Guide to Mars
S11 E2
Mars is infested with robots, orbiting the planet and roaming the Martian surface on a mission to uncover its secrets; now, Perseverance joins this dedicated group of machines to uncover if there is, or was ever, life on the Red Planet.
Most Violent Event in the Universe
S11 E3
The collision of two supermassive black holes is the most violent event that can occur in the universe; experts explore where a black hole's energy originates and what really happens when the two most powerful objects in the cosmos clash.
Solar System Special
S11 E5
Exploring new discoveries that rewrite the history of the solar system, revealing a complex and violent story that begins with the birth of the sun from the debris of a massive galactic collision to its eventual fate as a lone zombie star.
Curse of the Cosmic Rays
S10 E2
Cosmic rays capable of destroying human DNA are hurtling through outer space like subatomic bullets, causing space crews radiation damage.
Hunt for Dark Matter
S10 E4
Dark Matter is thought to be the cosmic glue that holds the universe together, yet the search for it continues to eluded scientists today.
Dark History of Earth
S10 E6
Earth's history is marked by one cosmic disaster after another, forging the path of human evolution; now, experts explore how the Earth has teetered on the verge of destruction.
Voyager's Ultimate Mission
S10 E8
As the two Voyager spacecraft reach interstellar space, experts explore their astonishing discoveries and how their extended operation has transformed into the ultimate mission.
Journey to a Black Hole
S9 E1
The heart of the M87 supermassive black hole, the first and only black hole ever photographed; the mystery of how it grew so large, what lies inside, and how it controls the entire galaxy.
Mission to a Comet
S9 E2
The Rosetta mission is a groundbreaking expedition to land on a comet for the very first time; special access reveals what this cutting-edge journey discovers and how these mysterious objects help create life on Earth.
Secrets of the Sun
S9 E3
A brand-new NASA mission to the sun reveals cutting-edge discoveries about Earth's star; as the Parker Solar Probe dives through the sun's atmosphere, its findings challenge everything known about this strange place.
Aliens of the Microcosmos
S9 E4
The hidden kingdom of microscopic alien organisms shapes the universe as much as galaxies, stars, and planets; new discoveries reveal how bacteria, viruses and other micro-organisms built life on Earth and influence humanity's future in the cosmos.
Curse of the White Dwarf
S9 E5
White dwarfs are small, dead stars with a dangerous side, and they are capable of exploding into supernovas and destroying planets; new research suggests these mysterious phenomena may be the key to understanding the universe itself.
War of the Galaxies
S9 E6
Galaxies are locked in continual combat across the universe, and the Milky Way will face its biggest opponent ever, the Andromeda Galaxy, in a titanic and deadly struggle that could create a new and unrecognizable super galaxy.
Secret Lives of Neutrinos
S9 E8
Neutrinos are the most mysterious particles in the universe, and they power some of the most explosive events in the cosmos; new discoveries reveal how these ghosts pass through objects undetected and why they could be the reason humans exist.
Birth of the Monster Black Holes
S9 E9
New discoveries reveal an astonishing supermassive black hole that was born during the earliest days of the cosmos, and finding out how this giant grew so large so quickly may help to explain the very formation of the universe itself.
Gravitational Waves Revealed
S9 E10
Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways, and the discoveries they make are revealing the universe's greatest mysteries.
Mystery of Alien Worlds
S9 E11
An explosion in the discovery of exoplanets is challenging everything we know about our universe; experts use cutting-edge astronomy to investigate these mysterious alien worlds and how they defy the laws of physics.
Asteroid Apocalypse: The New Threat
S8 E1
If a massive asteroid collides with Earth, it could end life on the planet as one knows it; new discoveries reveal just how close civilization is to apocalypse and what it would take for the world's leading space agencies to stop it.
NASA's Journey to Mars
S8 E2
NASA plans to send humans to Mars within just 15 years, but to reach this next frontier of space exploration, experts must discover new technology and cutting-edge science that protects astronauts from the Red Planet's deadliest killers.
Hunt for Alien Evidence
S8 E3
The discovery of extraterrestrial life might face an impossible challenge: the physics of the universe itself; using cutting-edge tech, experts might be on the verge of a groundbreaking find, and the evidence could already be in hand.
Death of the Last Stars
S8 E4
The universe's stars are dying off faster than new ones are born; using the latest technology, experts investigate the secrets of the last stars of the cosmos and what this stellar apocalypse means for life on Earth.
Secrets of Time Travel
S8 E5
Time travel may be more possible now than ever imagined, and today, cutting-edge technology and the latest research into black holes and wormholes is helping experts get much closer to discovering how to travel through time.
Edge of the Universe
S8 E7
We don't yet know where the edge of the universe is or what happens there; but thanks to cutting-edge technology and new discoveries, experts might finally reveal the secrets of the phenomena that can be found in deepest reaches of the cosmos.
Monsters of the Milky Way
S8 E8
The center of the Milky Way is home to strange and deadly phenomena that is difficult to understand, but using the latest science, experts are revealing how the supermassive black hole the galaxy's core shapes life on Earth.
Earth's Death Orbit
S8 E9
Earth's journey through the universe is a perilous one; new discoveries reveal that the planet is heading toward a mysterious area of the cosmos.
Nightmares of Neutron Stars
S7 E1
Neutron stars are strange and violent phenomena that defy the laws of physics, and new discoveries reveal that these bizarre nightmares are far more deadly than previously believed, with the power to destroy planets and even other stars.
When Supernovas Strike
S7 E2
Supernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are essential to all life in the universe.
The Interstellar Mysteries
S7 E3
Discoveries about interstellar space, the space between the universe's stars, reveal that it's not empty and unremarkable as previously thought, but filled with weird objects and strange phenomena that might hold the darkest secrets of the cosmos.
How Black Holes Made Us
S7 E4
Black holes are not the violent monsters people think they are, and new discoveries reveal that they might have been essential to creating stars, giving light, and building the universe itself.
Secret World of Nebulas
S7 E5
Nebulas are the strange structures of cosmic gas and dust where stars are born and die, and new discoveries reveal the secrets of these mysterious places.
Did the Big Bang Really Happen?
S7 E6
New discoveries cause astronomers to question if the Big Bang really happened, and using the latest science, they investigate if it wasn't just the start of the universe but many mysterious multiverses.
Battle of the Dark Universe
S7 E7
Dark matter and dark energy are locked in an epic battle for control of the cosmos, and the winner will determine the fate of the universe; new discoveries might reveal which force will emerge victorious.
Hunt for Alien Life
S7 E8
The latest discoveries suggest life beyond this planet; scientists investigate if earth's life began elsewhere in the universe, and whether humans need to evolve to know for sure.
Cassini's Final Secrets
S7 E10
For twenty years, NASA's Cassini spacecraft revealed the strange secrets of Saturn until it vaporized in its atmosphere in a blaze of glory; but today its legacy lives on, as fresh data from the probe helps scientists make brand-new discoveries.
Are Black Holes Real?
S6 E1
Cosmologists say there are black holes throughout the Universe, but they've never seen one and it's almost impossible to study them directly.
Twin Suns: The Alien Mysteries
S6 E2
Star systems with binary stars, once relegated to science-fiction, may actually exist and serve as ideal places for alien life to thrive.
Death of the Milky Way
S6 E4
Experts utilize the latest science and discoveries to investigate the cause of the Milky Way galaxy's gradual death.
Uranus & Neptune: Rise of the Ice Giants
S6 E5
Uranus and Neptune are mysterious, icy worlds at the edge of the solar system; new discoveries reveal that these strange planets may have helped start life on Earth.
Secret History of Mercury
S6 E6
Mercury is a deadly world, facing attacks from the Sun, comets, and other planets; even though it's the smallest planet in the solar system, Mercury has a dangerous secret that may one day threaten life on Earth.
The Quasar Engima
S6 E7
Quasars are the brightest and most powerful objects in the universe, and though they have shaped the cosmos, they might ultimately destroy everything that exists.
Strange Lives of Dwarf Planets
S6 E8
Our solar system is home to hundreds of strange, tiny worlds called dwarf planets, and new discoveries reveal the secrets of these mysterious places.
War on Asteroids
S6 E9
Scientists use cutting-edge technology to stop an asteroid apocalypse; mankind comes closer to keeping Earth safe from killer space rocks.
Mystery of Spacetime
S6 E10
Spacetime is the secret structure that controls our universe, and this strange four-dimensional substance controls time, light, and energy; it will also determine how our universe will end.
Mystery of Planet 9
S5 E2
Scientists have discovered a mysterious ninth planet ten times the size of Earth on the very edge of the solar system; this strange world could have moons with extraterrestrial life.
Black Holes: The Secret Origin
S5 E3
Recent evidence could explain how supermassive black holes grow so big; neither dark matter nor cannibalism can fully explain these beasts, but the latest science may finally provide an answer.
Secret History of Pluto
S5 E4
The first close-up images of Pluto reveal unimaginable secrets; scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface and whether this underground ocean could harbor life.
Stars That Kill
S5 E5
Exploring the real-life Death Stars in the cosmos that could snuff out Earth without much effort; the science of the destructive power behind six of the deadliest stars; vampire stars; supernovas; rogue stars.
The Universe's Deadliest
S5 E6
The universe is a dangerous place; exploring the deadliest spots in the cosmos; between earth and the edge of the universe, there are a million ways to die; a crash test dummy is on a mission.
Life & Death on the Red Planet
S5 E7
The evolution of life on Mars before a series of cataclysmic events transformed the planet from a watery world to a hostile one; scientists believe life will find a way to continue despite the setbacks.
Strangest Alien Worlds
S5 E9
Discoveries of new planets have revealed countless worlds much stranger than Earth; some of these strange worlds don't have stars and others are made out of diamonds.
Journey From the Center of the Sun
S3 E1
Examining how light travels out from the core of the sun through gravity and magnetism.
Jupiter
S3 E3
Beneath Jupiter's clouds lie the solar system's deepest secrets.
First Second
S3 E4
The most important second in history which seals the Universe's fate.
Saturn
S3 E5
Scientists are looking for life on Saturn's moons and they may have found it on Titan.
Extinction
S3 E6
The universe's weapons of extinction; asteroids strike; planets collide; black holes blast out death rays; volcanoes erupt and ice engulfs the plane.
Milky Way
S3 E7
Research suggest that super massive black hole might be the creator of the Milky Way.
Starman
S3 E8
Scientists are working on new propulsion systems that would allow travel to distant worlds.
Hunt for the Universe's Origin
S1 E8
Determining the age of the universe continues to be an elusive endeavor for scientists as their results are conflicting, and without a definitive answer, everything that's known about the cosmos could be completely wrong.