About this showing of How the Universe Works
Interstellar space is the space between the universe's stars. New discoveries reveal that it's not empty and unremarkable as previously thought.
Previously on TV
How the Universe Works
The Interstellar Mysteries
Previously shown on Discovery .History on Mon 14 Sep 2026 at 19:00.
This showing has ended
This showing was on Discovery .History at 19:00 on Mon 14 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .History
StartsMon 14 Sep 2026, 19:00
EndsMon 14 Sep 2026, 20:00
Episode / edition: The Interstellar Mysteries
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The next currently listed showing is Tue 15 Sep 2026, 13:00 on Discovery .History.
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