Explains the impact of extreme atmospheric pressure on temperature and how greenhouse gasses have created hellish conditions on Venus.

Mars has an extremely low atmospheric pressure leading to dust storms that cover the entire planet for months - and 'dust devils' that are a kilometre high.

Jupiter's 'great red spot' is a huge storm that has raged for hundreds of years, while the usually calm Saturn can suddenly erupt in storms more violent than anything in the solar system.

The extreme pressure and temperatures in Saturn's lower atmosphere means the surface is bombarded by a type of rain formed of diamonds.

A whole new field of astronomy uses physics to help identify the size and composition of planets far beyond our solar system.

The Tasmanian tiger has been extinct since 1936, three intrepid scientists are setting out on a once-in-a-lifetime expedition to explore the possibility that this intriguing animal may still exist.

Life in the Limpopo River Basin is a fight for survival. It's the brutal dry season, with wildlife awaiting the flood waters. But the rains are late and disaster grips the Valley.

Pip Courtney hosts Australia's pre-eminent regional and rural television program, covering farming, weather, food, innovation, mining, fisheries, agribusiness, commodity prices and other issues affecting regional communities.

The Tasmanian tiger has been extinct since 1936, three intrepid scientists are setting out on a once-in-a-lifetime expedition to explore the possibility that this intriguing animal may still exist.

Pip Courtney hosts Australia's pre-eminent regional and rural television program, covering farming, weather, food, innovation, mining, fisheries, agribusiness, commodity prices and other issues affecting regional communities.

Discover how this seldom-seen animal provides creatures with the hotel and restaurant services they need to thrive in earth's biggest natural wetland- the Pantanal of Brazil.

Getting goods across Australia to the remote city of Perth is no easy task.

Join Andy and some of the world's cutest baby animals as they learn how to climb, swim, play and make friends in the wild!

In Queensland, Australia, a 100-year-old railway network transports freshly harvested sugar cane from farmers across the district to sugar mills.

In Queensland, Australia, a 100-year-old railway network transports freshly harvested sugar cane from farmers across the district to sugar mills.

Every six hours a milk train pulls into the biggest dairy factory on New Zealand to ship 14 million litres of milk around the country.

Saffron Woes Australia's saffron industry is in turmoil after the locally grown product was dropped from major supermarket shelves. Federal Agriculture Minister David Littleproud speaks to Pip Courtney about some of the challenges facing Australian agriculture. Against the Odds Mining towns have a reputation for dying when the minerals dry up. But a small community on the Gove Peninsula is bucking that trend. Collaborative Farming Two generational farmers have embarked on a collaboration which redefines family farming. They've joined forces - sharing land, machinery, infra-structure and staff.

Kinchega National Park is co-managed with the traditional owners of the land.

Sir David Attenborough narrates the dramatic story of two mountain lion mothers struggling to raise their cubs in Wyoming's Rocky Mountains giving scientists new insight into these great predators.

In the deserts of Namibia's Skeleton Coast, maverick biologist Flip Stander has dedicated his life to tracking and studying the local lions, to understand their secrets and help them to survive.

Discover how this seldom-seen animal provides creatures with the hotel and restaurant services they need to thrive in earth's biggest natural wetland- the Pantanal of Brazil.

Andy Day knows young animals all have favourite meals. For meerkats, a scorpion is a tasty treat. In Finland, racoon dog pups stock up before winter arrives, and young capuchin monkeys enjoy shellfish.

The Last Charge On a hillside near Bathurst, sculptor Harrie Fasher has created a striking memorial to the Australian Light Horse and the last great cavalry charge at Beersheba. Hero Dirt Five years ago the old tin-mining town of Derby was a ghost town. But a move to construct some mountain bike trails helped trigger an economic revival. The town is now booming and has been transformed into a world-class biking destination. Au Naturel Fish bladders, bone marrow and milk protein are just some of the animal-derived agents that might be incorporated in the winemaking process. As demand for animal-friendly products increases, so too are the number of wineries using alternative production methods to create vegan wine.

A 200 million-year-old fossil - the bones of a giant sea dragon - has been discovered on the Jurassic coast of Britain. David Attenborough joins the hunt to bring this ancient creature's story to life.

In Antarctica, a seal pup takes its first journey under the ice. Leopard cubs must climb as they explore the river bank with mum. A tiny goby fish faces a huge obstacle - getting up a waterfall.

Andy Day sees how coatis follow mum's tail to safety in the forest. Eider ducks keep a wolf busy while their ducklings find a safe spot. The big mouthed hap is strangest of all - the young fish hide in its mouth.

In Africa, young meerkats learn to look out for their mob. Emperor penguins work together to keep their chicks fed and warm. The fry of convict fish stick together in a shoal to fool bigger fish.

Andy Day sees how lions aren't born with a loud roar. In Antarctica, a penguin chick can be heard by his mum despite 150,000 others. A baby macaque must learn the value of funny faces if she is to fit in.

David Attenborough tells the revealing story of this Caribbean island's exotic but vulnerable wildlife. We see how Puerto Rican parrots, manatees and turtles are now making a comeback.

The sengi is one of the fastest small mammals on earth - it even has a racetrack. In the Arctic, guillemot chicks leap from clifftop nests. Chacma baboons walk upright to reach the best food.