The latest national and international news, exploring the day's events from a global perspective.

The team looks back on the major stories of 2016 and sees how they have developed. What has the Juno probe discovered at Jupiter? Has Planet 9 been found? Show more

Documentary following Jeff Turner's search for grizzly bears in Canada's Cascade Mountains as he tracks the wildlife over the course of a year. Show more

The story of how Vienna, triumphant after the Ottoman threat receded at the end of the 17th century, was transformed from a fortress into a great cultural capital. Show more

Liam Neeson narrates the untold story of how an NYPD bomb-disposal expert helped defuse the decades-old Troubles in Northern Ireland. With a contribution from Bill Clinton. Show more

Helen Czerski looks at the colours invisible to our eyes. To see the universe in a new light, she takes to the skies in a jet equipped with an infrared telescope. Show more

Horizon follows the astronomers pushing the limits of science and engineering with a new generation of supertelescopes in the hunt for mysterious objects in the universe. Show more

Documentary following Jeff Turner's search for grizzly bears in Canada's Cascade Mountains as he tracks the wildlife over the course of a year. Show more

The story of how Vienna, triumphant after the Ottoman threat receded at the end of the 17th century, was transformed from a fortress into a great cultural capital. Show more