Dr Chris Smith and the Naked Scientist team look at your latest science questions, including 'What is the Doomsday Clock?' and 'How massive is the largest star ever discovered?' Show more

Sunday's main news stories, plus the latest sport and weather with Eleanor Oldroyd and Tom Fordyce. Text: 85058 (charged at your standard message rate).

Garry Richardson with guests including Chris Wilder, Steve McClaren and Jamie Chadwick. They discuss the top sports stories of the week. Get the podcast in the BBC Sounds app.

Eddie Hearn, one of the world’s best-known sports promoters, chat with presenter, documentary maker and Strictly winner, Stacey Dooley. Show more

Greg James, Jimmy Anderson and Felix White with an alternative (and sometimes musical) look at cricket.

Nick Bright and a squad from the world of social media provide a different take on the week’s biggest football stories.

Steve Crossman with football discussion and build-up to two live commentaries this afternoon, starting with Newcastle United v Arsenal. Plus a look ahead to Man United v Chelsea. Show more

Live football commentary of Newcastle United v Arsenal in the Premier League.

Football discussion and build-up to Manchester United v Chelsea in the Premier League.

Live football commentary of Manchester United v Chelsea in the Premier League.

Your football calls and reaction with Emma Jones and Robbie Savage. Phone 08085 909693 free from mobiles and landlines. Text 85058 at your standard message rate. Show more

Peter Allen and Chloe Tilley bring you the verdict on the week's news with 'Good Week, Bad Week', and predictions for the week ahead. Olympian Sally Gunnell is the Birthday Guest. Show more

The day's main news stories, topical debate and interviews. Call 08085 909693 (calls are free from mobiles and landlines). Email: nolan@bbc.co.uk

Richard Foster with news, interviews and stories from around the world.