Previously on TV

How the Universe Works

Mystery Of Planet 9

Previously shown on Discovery .Science on Wed 16 Sep 2026 at 15:00.

This showing has ended

This showing was on Discovery .Science at 15:00 on Wed 16 Sep 2026. See future airings below or open the main programme page for the latest TV times.

Current How the Universe Works TV times View Discovery .Science listings

Airing details

ChannelDiscovery .Science

StartsWed 16 Sep 2026, 15:00

EndsWed 16 Sep 2026, 16:00

Episode / edition: Mystery Of Planet 9

SkySky Q / Satellite167

About this showing of How the Universe Works

Scientists have discovered evidence of a mysterious ninth planet on the very edge of our solar system, could its moons support extra-terrestrial life.

Next showing of How the Universe Works

The next currently listed showing is Fri 18 Sep 2026, 13:00 on Discovery .History.

See all current showings

Other current airings

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Strangest Alien WorldsDiscovery .Science Fri 18 Sep 17:00How the Universe Works
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