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.

Thursday 20:00 BBC Four

See all upcoming broadcasts of 2012-2013 (2)

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Mission to Mars

2/18 Behind the scenes at NASA, as they prepare to the land the Mars rover on the planet.

Tue 1 Apr 2014 01:45 BBC Four

See all previous episodes from Horizon

Horizon interactive ebook


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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