2012-2013

Series exploring topical scientific issues

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Swallowed by a Black Hole

15/18 How it was hoped we would be able to observe a feeding supermassive black hole in action.

Fri 19 Sep 2014 00:00 BBC Four

See all previous episodes from Horizon

Cat Watch 2014: The New Horizon Experiment

Image for Cat Watch 2014: The New Horizon Experiment

Liz Bonnin and cat experts use GPS and cameras to follow cats in different environments.

Horizon interactive ebook

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Celebrate 50 years of Horizon with this free downloadable ebook for tablets.

Horizon archive collection

Horizon archive collection

Entire episodes chosen to celebrate the show's 50th anniversary, starting from 1964.

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