Tuesday, December 30th TV listings for Science HD
How the Universe Works The Dark Matter Enigma
Dark matter is the biggest mystery of the cosmos; scientists know that it has been vital to our universe since its birth, and new discoveries reveal that it could create black holes, cause mass extinctions, and might even shape life on Earth itself.
How the Universe Works Stars That Kill
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 and rogue stars.
Phantom Signals Soviet Doomsday Warning
A Russian radio station has broadcast a signal nonstop since the Cold War, and no one knows why; experts use hi-tech methods to investigate what it is and what might happen if it ever stops.
Phantom Signals Alien Evidence: The Holy Grail
When a powerful radio beam originating from deep space is detected by experts on Earth, some suspect it's hard evidence of extraterrestrial life; new investigations into this shocking signal might reveal the truth.
Phantom Signals The Ghost on the Radio
When someone picks up a radio distress call from a seven-year-old boy lost alone in the desert, authorities embark on a search-and-rescue mission to find him; as the hunt continues, the case becomes more and more mysterious.
Phantom Signals Omen of the Pharaoh's Wail
Experts use cutting-edge technology to investigate a mysterious phenomenon at the tomb of a 3,000-year-old Egyptian pharaoh.
Phantom Signals Curse of the Lost Cosmonaut
When two experts build their own radio-listening station to intercept the secret communications of American and Soviet astronauts, they capture traces of a haunting voice that may be a lost Russian cosmonaut.
Phantom Signals To Catch a UFO
When a U.S. Air Force intercept aircraft chases after a UFO, it vanishes forever without a trace; a new investigation tries to uncover what caused this mysterious disappearance.
Mission Unexplained Angel of Death
U.N. Peacekeeper develops a mysterious power to fight off a deadly foe.
Mission Unexplained Curse of the Box Witch
An Infantryman encounters an otherworldly presence on a training mission.
Mission Unexplained Moose Jaw Nightmare
An unknown presence pulls an Armed Forces officer into a living nightmare.
Mission Unexplained Not From Earth
An unearthly presence at a nuclear launch site in Cyprus visits a UN peacekeeper and helps him fight off a deadly enemy.
Mission Unexplained Rise of the Damned
An intelligence analyst on a secret mission makes an unearthly discovery.
Mission Unexplained Fort Fear
A Russian soldier describes being lured into a swamp by an unnatural entity; an Ohio military base with a UFO connection; an interview with a US Air Force colonel whose alien-craft sightings are finally confirmed.
Mission Unexplained Unidentified Alien Phenomenon
A Russian Infantryman fights an unknown presence in a Chechnyan forest.
Mission Unexplained Rise of the Damned
An intelligence analyst on a secret mission makes an unearthly discovery.
Mission Unexplained Fort Fear
A Russian soldier describes being lured into a swamp by an unnatural entity; an Ohio military base with a UFO connection; an interview with a US Air Force colonel whose alien-craft sightings are finally confirmed.
Mission Unexplained Unidentified Alien Phenomenon
A Russian Infantryman fights an unknown presence in a Chechnyan forest.
Mission Unexplained Not From Earth
An unearthly presence at a nuclear launch site in Cyprus visits a UN peacekeeper and helps him fight off a deadly enemy.
Phantom Signals To Catch a UFO
When a U.S. Air Force intercept aircraft chases after a UFO, it vanishes forever without a trace; a new investigation tries to uncover what caused this mysterious disappearance.
Mission Unexplained Angel of Death
U.N. Peacekeeper develops a mysterious power to fight off a deadly foe.
How It's Made Guitar Pickups, Heated Furniture, Water Well Cylinders, Nonconductive Tools
How guitar pickups, heated furniture, water well cylinders, and nonconductive tools are made.
How It's Made Skateboard Wheels; Baklava & Galaktoboureko; CO2 Scrubbers
Skateboard wheels; baklava and galaktoboureko; CO2 scrubbers; honeycomb candles.
How It's Made Power Steering Pumps; Asian Bowl Meals; Walking Canes
Power steering pumps; Asian bowl meals; walking canes.
How It's Made Top Five Things at Grandmother's House
A countdown of some of the odd things that might be found at grandma's house.
How It's Made Top Five New Year's Resolutions
A countdown of some of the best things to help you follow through on your New Year's resolutions.
How It's Made Top Five Ways to Survive the Holidays
A countdown some of the most important things to help you survive the holidays.