Caroline at Midnight

A caribou tracker obsessed with finding a missing caribou herd befriends a teenage rebel who gets lost while on the run.

While on a trip to Paris with his fiancée's family, a nostalgic screenwriter finds himself mysteriously going back to the 1920s everyday at midnight.

Maggie Aderin-Pocock and Chris Lintott look back at some of the biggest stories featured on the programme in 2020, with the help of special guests who have chosen their favourite moments. From the launch of Solar Orbiter to the discovery of phosphine on Venus, the team relive the astronomy highlights of a highly unusual year.

When the first episode of The Sky at Night was transmitted in April 1957, it was still thought that Mars could be home to advanced life, the Space Age was yet to begin, and the Big Bang was just a controversial theory. So to celebrate its 60th anniversary, this special programme looks at how our knowledge of the universe has been transformed in the last six decades - from the exploration of the solar system to the detection of black holes and planets orbiting distant stars.

Of the 100 probes that have been sent out into space, only one probe - Voyager 2 in 1989 - has ever sent back any information about the solar system's outer planets. From afar, they seem featureless and devoid of any significant geological activity.