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.

Schedule
How the Universe Works
00:00 - 01:00
How the Universe Works
Voyager's Ultimate Mission
Series, Science, Documentary
As the two Voyager spacecraft reach interstellar space, experts explore their astonishing discoveries and how their extended operation has transformed into the ultimate mission.
How the Universe Works
01:00 - 02:00
How the Universe Works
Hunt for the Universe's Origin
Series, Science, Documentary
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.
Artemis 1: Going Back to the Moon
02:00 - 03:00
Artemis 1: Going Back to the Moon
Special, Documentary, Technology
Following the inside story of NASA engineers as they race to build and launch the rocket, Artemis I, as it prepares for missions that will transport humans to the moon, then launch a journey to Mars and beyond.
Artemis II: To the Moon and Back
03:00 - 05:00
Artemis II: To the Moon and Back
Special, Science
NASA sends Americans back to the Moon for the first time in over 50 years -- farther than any humans have traveled, and in a new spacecraft. From mission prep to splashdown on Earth, join the Artemis II crew on this historic 10-day voyage of exploration.
Space Race: Mysteries at the Museum
05:00 - 06:00
Space Race: Mysteries at the Museum
Special, Travel, Documentary
Don explores the race to the moon between the U.S. and the Soviet Union; he straps into a human centrifuge, meets an astronaut who actually went there and learns just how close America came to losing.
Artemis II: To the Moon and Back
06:00 - 08:00
Artemis II: To the Moon and Back
Special, Science
NASA sends Americans back to the Moon for the first time in over 50 years -- farther than any humans have traveled, and in a new spacecraft. From mission prep to splashdown on Earth, join the Artemis II crew on this historic 10-day voyage of exploration.