The team looks at Mars, a planet that is tantalisingly similar to our own. (R)
9/15 How a predicted spate of impending solar storms may affect our technological civilisation. (R)
3/3 Revealing the breakthroughs which harnessed the elements' might to release vast power. (R)
3/3 Featuring an amazing sequence of an osprey hunting over open water. (R)
Click plays the tech that can tease a tune out of anything. (R)
BBC News Channel
The Countryfile team visit the Merseyside coast around Southport. (R)
Adam Walton and guests discuss the winners and losers of climate change.
BBC Radio Wales
The turbulent history of the Cistercian Abbey of Strata Florida.
Kate Humble presents the swallow. (R)
BBC Radio 4
BBC Somerset's weekly look at rural news, countryside issues, wildlife and local events.
Mark Stephen and Euan McIlwraith cycle the brand new John Muir Way. (R)
BBC Radio Scotland
9/13 Nicholas Crane visits John o'Groats and Cruden Bay on Scotland's east coast. (R)
BBC Two Wales only
10/31 Neil Oliver visits an Atlantic sea monitoring station off the coast of Galway. (R)
BBC Two Scotland only
4/26 A look at the science of breeding top quality Aberdeen Angus cattle. (R)
New Kepler-mission discovery.
BBC World Service
Answering questions from everyday chemistry to quantum physics.
BBC Radio Cambridgeshire
The team head to the Isles of Scilly, where Ellie Harrison looks at the problem of rats.
The Coast experts journey along the stunning south coast of England. (R)
BBC Two Northern Ireland only
Exploring a hidden horticultural history, and why England fails at international football. (R)
Peter Higgs opens up to Jim Al-Khalili about the Higgs boson.
1/4 Martha Kearney's year gets off to a bad start when snow threatens to kill the bees. (R)
Why do we read horoscopes?
Protein receptor discovered that enables egg to be 'unlocked' by sperm to fertilise