Previously on TV

How the Universe Works

Secret History Of Mercury

Previously shown on Discovery .History on Thu 3 Sep 2026 at 19:00.

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This showing was on Discovery .History at 19:00 on Thu 3 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 .History listings

Airing details

ChannelDiscovery .History

StartsThu 3 Sep 2026, 19:00

EndsThu 3 Sep 2026, 20:00

Episode / edition: Secret History Of Mercury

About this showing of How the Universe Works

For four years, the Messenger space probe sent images of Mercury, the solar system's smallest planet, closest to the Sun. Could it threaten life on Earth.

Next showing of How the Universe Works

The next currently listed showing is Fri 4 Sep 2026, 13:00 on Discovery .History.

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