Horizon

"Horizon" tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Previous Episode

Space Volcanoes

Episode 2017-05-23; May 23, 2017

Volcanoes have long helped shape the Earth. But what is less well known is that there are volcanoes on other planets and moons that are even more extraordinary than those on our own home planet. Horizon follows an international team of volcanologists

Previous Episodes

Episode NameAirdateTrailer
2017-05-23: Space VolcanoesMay 23, 2017
2017-05-16: Strange Signals From Outer Space!May 16, 2017
2017-05-02: Why Did I Go Mad?May 2, 2017
View full episode list »