Catalyst

Darryl Grimason goes on a scuba diving adventure around the shores of Northern Ireland.

See the ultimate guide to the Solar System from the dedicated people who sent spacecraft to explore the sun and the planets, and witness their...

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

Bill Nye walks viewers through various areas of science to show how far they've come through their beginnings until modern times.

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.

Precision: The Measure of All Things is a three-part British television series outlining aspects of the history of measurement. It was originally...

This ground-breaking two-part series takes us inside two of the most amazing structures in the natural world: our hands and feet.

Chris Jackson, Xand Van Tulleken and Aldo Kane take part in an extraordinary expedition to one of the world's most dangerous, spectacular and least...

Kate Humble joins a team of geologists at the Vanuatu archipelago to investigate some of the most active volcanoes in the world - and to predict if...

Sir David discovers a microscopic world that’s invisible to the naked eye, where insects feed and breed, where flowers fluoresce and where...