Daily from 7.00pm.

Programmes start at 7.00pm.

Katty Kay in Washington and Christian Fraser in London report on the events that are shaping the world.

An immersive journey into the world of turtles. Ride on board a Green Sea Turtle as it swims around its spectacular coral reef home of Sipidan in Malaysia. Show more

Documentary showing Britain's changing look over the course of a year. Britain is in the grip of winter. Time-lapses show a magical country shrouded in frost and mist. Show more

Professor Jim Al-Khalili investigates the amazing science of gravity. As well sculpting our universe, gravity also affects our weight, height and even the rate at which we age. Show more

Horizon looks at dark energy - the mysterious force that is unexpectedly causing the universe's expansion to speed up. Show more

Mathematician Dr Hannah Fry presents a guide to the science of success, featuring strategies to increase the probability of winning. Show more

Writer and hip-hop artist Akala investigates the mysterious origins of Homer's Odyssey, travelling the Mediterranean to understand the work before writing his own response. Show more

Helen Rosslyn reveals the influence of the 17th-century British pioneer collectors such as Thomas Howard and how the Whitehall Group brought a taste for the Baroque. Show more

Professor Jim Al-Khalili investigates the amazing science of gravity. As well sculpting our universe, gravity also affects our weight, height and even the rate at which we age. Show more

Programmes start at 7.00pm.