Having travelled further from Earth than any of their predecessors, the four astronauts aboard the Orion capsule are preparing to splash down in the Pacific Ocean. We speak to our correspondent at mission control in Houston and hear from two young astronomers on what the expedition has meant to them.

Also on the programme: The UK government shelves its Chagos Islands deal. And in the first case of its kind, a man in Scotland has been jailed for killing his wife even though she took her own life – we hear from the case’s prosecutor.