Science Channel HD
United States
Science Channel HD airs nonfiction programming centered on engineering, natural sciences, space exploration, and technology. Its schedule includes documentary series that examine how things are built, how scientific principles apply to everyday life, and how researchers conduct experiments in fields like physics and biology. The channel also features content on historical inventions, modern manufacturing processes, and the work of engineers and technicians. Some programs focus on extreme weather, geological events, or the mechanics behind vehicles and machinery. The channel’s lineup tends toward factual, observation-based storytelling rather than dramatized reenactments. It is available across the United States through cable and satellite providers.
In addition to its linear broadcast, many episodes and full series can be accessed through on-demand services and streaming platforms that carry the channel’s content. TV guide listings for Science Channel HD vary by provider and region, so specific air times for individual programs depend on the local schedule. The channel does not carry movies, music videos, news, sports, or religious programming; its focus remains on documentary and educational material related to science and technology.
Schedule
00:00 - 01:00
Greatest Mysteries Ever
Noah's Ark: The Endless Quest
Series, Documentary
Explorers investigate the snow-covered Ararat Mountains for remains of Noah's Ark; two separate expeditions claim discoveries in different areas, fueling debates over the truth of the story.
01:00 - 02:00
Greatest Mysteries Ever
The Ten Plagues: A Greek Curse?
Series, Documentary
The ten plagues of Egypt are supposedly sent by God to convince Pharaoh to free the Israelites; some scientists link these events to a volcanic eruption or climate change; could these be natural occurrences or are they divine warnings?
02:00 - 03:00
Greatest Mysteries Ever
El Dorado: Gold, Guns and Greed
Series, Documentary
El Dorado, the legendary city of gold, captivated Europeans in the 16th and 17th centuries, sparking endless quests for hidden treasures; fueled by greed, these expeditions led to the loss of countless lives.
03:00 - 04:00
Greatest Mysteries Ever
The Incas: A Sudden Fall
Series, Documentary
In 1532, Spanish conquistadors encounter the advanced Inca Empire; despite their sophisticated infrastructure, the Inca falls within decades; the story of how a powerful empire is overtaken by a small group of conquistadors remains mysterious.
04:00 - 05:00
Greatest Mysteries Ever
Ancient Rome: Fall or Pushed?
Series, Documentary
The Roman Empire fell in the year 476, yet questions linger; did it truly fall or does it continue as the Byzantine Empire? What caused its demise? The debate remains controversial even among modern historians.
05:00 - 06:00
Greatest Mysteries Ever
Ramses II: The Greatest Pharaoh
Series, Documentary
Rameses II led Egypt through a sixty-year golden age as a powerful pharaoh; despite his recorded achievements, researchers investigate lingering mysteries regarding his wife Nefertari and his death.
06:00 - 07:00
Greatest Mysteries Ever
The Incas: A Sudden Fall
Series, Documentary
In 1532, Spanish conquistadors encounter the advanced Inca Empire; despite their sophisticated infrastructure, the Inca falls within decades; the story of how a powerful empire is overtaken by a small group of conquistadors remains mysterious.
07:00 - 08:00
Greatest Mysteries Ever
Ancient Rome: Fall or Pushed?
Series, Documentary
The Roman Empire fell in the year 476, yet questions linger; did it truly fall or does it continue as the Byzantine Empire? What caused its demise? The debate remains controversial even among modern historians.
08:00 - 09:00
Greatest Mysteries Ever
Ramses II: The Greatest Pharaoh
Series, Documentary
Rameses II led Egypt through a sixty-year golden age as a powerful pharaoh; despite his recorded achievements, researchers investigate lingering mysteries regarding his wife Nefertari and his death.
09:00 - 10:00
Greatest Mysteries Ever
El Dorado: Gold, Guns and Greed
Series, Documentary
El Dorado, the legendary city of gold, captivated Europeans in the 16th and 17th centuries, sparking endless quests for hidden treasures; fueled by greed, these expeditions led to the loss of countless lives.
10:00 - 11:00
Forbidden History
Mary Magdalene Enigma
Series, History
Mary Magdalene played a pivotal role in early Christianity and witnessed the execution and resurrection of Jesus Christ; experts investigate the truth behind her mysterious disappearance and embark on a quest to locate her undiscovered remains.
11:00 - 12:00
Forbidden History
Secrets of Gobekli Tepe
Series, History
The ancient site of Göbekli Tepe is the oldest building complex ever discovered and continues to baffle archaeologists; experts investigate new theories behind its construction as a possible commemoration to a cataclysmic event.
12:00 - 13:00
NASA's Unexplained Files
Black Knight Rises
Series, Documentary, Science, Paranormal
A piece of the sun seems to have vanished; the Hubble spots an unidentified object traveling faster than light.
13:00 - 14:00
NASA's Unexplained Files
Ghosts on a Comet
Series, Documentary, Science, Paranormal
When a Chinese moon rover breaks down, a scientist at NASA points to a mysterious material that seemed to sabotage the Apollo missions decades earlier; the Rosetta spacecraft discovers a comet that appears to be singing.
14:00 - 15:00
NASA's Unexplained Files
Rise of the Ice Creatures
Series, Documentary, Science, Paranormal
Neil Armstrong enters an unexplained spin; an Apollo 17 photo seems to show a US military outpost on the Moon; possible alien life swimming in the oceans of Jupiter's moons.
15:00 - 16:00
How the Universe Works
Secret World of Nebulas
Series, Science, Documentary
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.
16:00 - 17:00
How the Universe Works
Cassini's Final Secrets
Series, Science, Documentary
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.
17:00 - 18:00
Strangest Things
The Assassination Sphere
Series, Documentary, Science
A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century.
18:00 - 19:00
Strangest Things
The Macabre Hat of Teeth
Series, Documentary, Science
A museum in South London contains a disturbing tattered hat made of brown felt and decorated with more than 80 human teeth; using the latest imaging technology, experts investigate to uncover the macabre origins of this mysterious Victorian-era cap.
19:00 - 20:00
Strangest Things
The Psychograph
Series, Documentary, Science
Investigating whether a machine can read personalities; an ancient golden mask painted with human blood; a cursed chicken pot.
20:00 - 21:00
Strangest Things
Phineas Gage's Skull
Series, Documentary, Science
The shattered skull of a 19th century railway worker is now one of the most astonishing objects in the history of medical science; experts explore this traumatic injury to reveal how it changed the field of neuroscience.
21:00 - 22:00
Strangest Things
The Dixon Relics
Series, Documentary, Science
A stone sphere, a hook and five fragments of wood are the only objects ever discovered inside the Great Pyramid of Giza; experts investigate if they can explain the mysteries behind the only surviving Wonder of the Ancient World.
22:00 - 23:00
Strangest Things
The Jericho Head
Series, Documentary, Science
In 1953, a team of archaeologists uncovers a bizarre, plastered human skull in the ancient city of Jericho; experts investigate the mysterious purpose and identity behind this 9,000-year-old clay-covered artifact.
23:00 - 00:00
Strangest Things
The Mask of Agamemnon
Series, Documentary, Science
Investigating whether a gold death mask is the face of a king who fought in the Trojan Wars; three ancient chalk carvings could be the secret to constructing Stonehenge; how a printing plate from the UK Treasury ended up in an Austrian lake.