How the Universe Works
Cast & Crew
Upcoming TV Airings
The airings below are based on a generic national schedule. Times and dates can vary by TV provider.
Wednesday, January 21
Secret Lives of Neutrinos
Season 9 • Episode 8
New discoveries reveal how neutrinos pass through objects undetected.
Wednesday, January 21
Aliens of the Microcosmos
Season 9 • Episode 4
New discoveries reveal how bacteria, viruses and other alien micro-organisms built life on Earth.
Thursday, January 22
Secrets of the Sun
Season 9 • Episode 3
Cutting-edge discoveries about the sun challenge everything known about its atmosphere.
Thursday, January 22
The Next Supernova
Season 9 • Episode 7
A supernova hasn't occurred in 400 years, and the search is on to locate which star may be next.
Friday, January 23
Gravitational Waves Revealed
Season 9 • Episode 10
Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways.
Friday, January 23
Mission to a Comet
Season 9 • Episode 2
The Rosetta mission is a groundbreaking expedition to land on a comet for the very first time.
Monday, January 26
Strangest Alien Worlds
Season 5 • Episode 9
Discoveries of new planets have revealed countless worlds much stranger than Earth.
Monday, January 26
The Dark Matter Enigma
Season 5 • Episode 8
Dark matter is the biggest mystery of the cosmos; scientists know that it has been vital.
Tuesday, January 27
Mystery of Planet 9
Season 5 • Episode 2
Scientists have discovered a planet ten times the size of Earth on the edge of the solar system.
Tuesday, January 27
Black Holes: The Secret Origin
Season 5 • Episode 3
New evidence helps science explore the origins of supermassive black holes.
Wednesday, January 28
The Universe's Deadliest
Season 5 • Episode 6
The universe is a dangerous place; exploring the deadliest spots in the cosmos.
Wednesday, January 28
Stars That Kill
Season 5 • Episode 5
Exploring the real-life death stars in the cosmos that could snuff out Earth without much effort.
Thursday, January 29
Life & Death on the Red Planet
Season 5 • Episode 7
After a series of cataclysmic events, Mars becomes a hostile environment for life.
Thursday, January 29
Secret History of Pluto
Season 5 • Episode 4
Scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface.
Monday, February 2
Nightmares of Neutron Stars
Season 7 • Episode 1
New discoveries about neutron stars, strange and violent phenomena that defy the laws of physics.
Monday, February 2
When Supernovas Strike
Season 7 • Episode 2
The death of giant stars creates the elements that are essential to all life in the universe.
Tuesday, February 3
How Black Holes Made Us
Season 7 • Episode 4
New discoveries reveal that black holes might have been essential to building the universe itself.
Tuesday, February 3
Secret World of Nebulas
Season 7 • Episode 5
New discoveries reveal the secrets of nebulas, where stars are born and die.
Wednesday, February 4
The Interstellar Mysteries
Season 7 • Episode 3
Interstellar space is not empty and unremarkable as previously thought.
Wednesday, February 4
Did the Big Bang Really Happen?
Season 7 • Episode 6
New discoveries cause astronomers to question if the Big Bang really happened.
Thursday, February 5
Battle of the Dark Universe
Season 7 • Episode 7
New discoveries about dark matter and dark energy, which are locked in an epic battle.
Thursday, February 5
Cassini's Final Secrets
Season 7 • Episode 10
Fresh data from NASA's Cassini spacecraft helps scientists make brand-new discoveries about Saturn.
Friday, February 6
Hunt for Alien Life
Season 7 • Episode 8
Latest discoveries suggest life beyond this planet; investigating if earth's life began elsewhere.
Friday, February 6
Finding the New Earth
Season 7 • Episode 9
Some exoplanets resemble earth enough that one could be a new home for humanity.

