Science Channel HD

United States 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.

How the Universe Works
Previous
15:00–16:00
How the Universe Works
How the Universe Works
Now
16:00–17:00
How the Universe Works
1h left
Forbidden History
Next
17:00–18:00
Forbidden History
Schedule
How the Universe Works
13:00 - 14:00
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.
How the Universe Works
14:00 - 15:00
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.
How the Universe Works
15:00 - 16:00
How the Universe Works
Nightmares of Neutron Stars
Series, Science, Documentary
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.
How the Universe Works
LIVE 16:00 - 17:00
How the Universe Works
Battle of the Dark Universe
Series, Science, Documentary
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.
Forbidden History
17:00 - 18:00
Forbidden History
Mystery of the Hypogeum
Series, History
A subterranean Neolithic temple discovered on the island of Malta contains the skeletal remains of thousands of humans; experts use forensic archaeology to investigate elongated skulls that may unlock the secrets of an advanced, lost civilization.
Forbidden History
18:00 - 19:00
Forbidden History
MK-Ultra Revealed
Series, History
The CIA's MK-Ultra program sought to create mind control methods through unethical human experimentation, and now, experts investigate classified documents that reveal the horrific atrocities that were carried out in the pursuit of national security.
Forbidden History
19:00 - 20:00
Forbidden History
Terror of Nazi Propaganda
Series, History
After seizing power in 1933, Adolf Hitler began systematically transforming a peaceful German population into a ruthless war machine; experts investigate the innovative methods used by the Nazis to indoctrinate and control the will of its citizens.
Forbidden History
20:00 - 21:00
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.
Forbidden History
21:00 - 22:00
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.
Forbidden History
22:00 - 23:00
Forbidden History
Secrets of the Crucifixion
Series, History
The crucifixion of Jesus Christ has long been debated by historians due to scarce archaeological evidence of the event; now, experts explore new theories that may reveal the truth behind the traditional yet controversial story of his monumental execution.
Forbidden History
23:00 - 00:00
Forbidden History
The Devil's Bible
Series, History
"The Codex Gigas," also known as the "Devil's Bible," is a giant medieval tome that has evoked fear for centuries and is believed to contain a malevolent power; experts investigate its legendary secrets and uncover the mystery behind its author.