How the detection of gravitational waves proves that black holes exist and provides a way to investigate them. Featuring a Stephen Hawking interview. Show more

Bang Goes the Theory is back, with the first of eight episodes bringing you the science behind the headlines, and looking at the issues that have a real impact on all our lives. Show more

Hands-on science series. The team put sugar on trial, investigating whether it deserves its bad reputation. Plus Jem sets out to make some pure, white, granulated sugar of his own. Show more

Hands-on science series. The team look at things that may threaten the safety of your family on a daily basis and Liz finds out why old and young pedestrians may never be safe. Show more

Science series. With the population of the UK topping 63 million, what are scientists and engineers doing to reduce the strain on our ageing infrastructure? The team investigate. Show more

Comedy series set in a busy airport, featuring characters played by Matt Lucas and David Walliams. FlyLo ground crew member Taaj Manzoor bumps into Harry Potter actor Rupert Grint. Show more

Buckle up with Matt Lucas and David Walliams for another trip to the airport. Tommy Reid finally gets his chance to apply for pilot training, and it's Helen's last day. Show more

Brian Cox and Dara O Briain celebrate space and astronomy. Tim Peake reveals how he is settling into life on the International Space Station one month after his launch into space. Show more

Brian Cox and Dara O Briain celebrate space and astronomy, with more updates from Tim Peake. Brian and Dara explore the engineering behind the International Space Station. Show more

Brian Cox and Dara O Briain celebrate space and astronomy, with more updates from astronaut Tim Peake. They explore what keeps the International Space Station crew safe. Show more

Brian Cox and Dara O Briain celebrate space and astronomy, with news of the spacewalk involving UK astronaut Tim Peake. Show more

Dara O Briain and Professor Brian Cox are joined by a team of experts for coverage of the solar eclipse, with Chris Hollins on the Faroe Islands and Liz Bonnin above the clouds. Show more

Brian Cox and Dara O Briain head to Australia to check out the night sky - packed full of astonishing features like the Southern Cross and a remarkable view of the Milky Way. Show more

Professor Brian Cox and Dara O Briain complete another long night under the stars down under. Tonight, unprecedented views of Saturn are the big prize. Show more

Join Professor Brian Cox and Dara O Briain live from Australia, as they complete their three-night mission to bring you the most glorious sights of the southern night sky. Show more

After an hour's Stargazing at Jodrell Bank, Dara O Briain and Brian Cox return to answer questions with the help of special guests including Apollo 11 astronaut Buzz Aldrin. Show more

With the solar eclipse just hours away, Dara O Briain, Brian Cox and special guest experts are back at Jodrell Bank to answer viewers' questions. Show more

Dara O Briain and Brian Cox are live at Jodrell Bank for a final 30 minutes of Stargazing to answer viewers' questions with the help of special guests. Show more

Science series. The team explore the new era of personal medicine, as Maggie Philbin looks at the rise of online diagnosis tools and puts them to the test against a real doctor. Show more

The team investigate what air pollution is, where it comes from, and what it is doing to us. Jem Stansfield reveals that cleaner-looking air does not mean healthier air. Show more