In the Canary Islands the team try to follow the path of Comet C/2012 S1 ISON.
24/26 Scotland's countryside magazine featuring farming, wildlife and environment.
1/6 The team investigates just what it means to be an island people.
8/10 Sivuqaq is an 18-year-old, larger than life Pacific Walrus. Can he become a dad?
Signed Audio described
2/15 How a new generation of super-telescopes are helping astronomers explore the universe.
1/3 Exploring the largest animals that have ever lived on our planet- the great whales.
Documentary on Comet ISON, anticipated to be the most spectacular comet for a generation.
5/7 The story of the few extreme survivors who remain in the polar regions during winter.
How mammals developed from tiny forest dwellers to the dominant life form on the planet.
1/3 Following the Earth's orbit from July to the December solstice.