Scientists are uncovering new truths about cats using tech like tracking collars; from cheetahs' agility to Iberian lynx recovery, groundbreaking research and conservation offer hope for wild cats.

A bomb cyclone detonates across northeast America, snaring an elderly Michigan couple in a mass freeway pile-up. A hiker loses her nerve high on Ben Nevis.

From Canada's waterlogged wilderness comes unbelievable stories of a twenty-foot monster that attacks humans. Investigation turns into obsession as Jeremy tries to explain the widespread accounts.

Gujarat in India is home to the last Asiatic lions in the wild; a first-time mother lioness must be creative in her survival skills to raise a new king, and that includes fooling the old one.

The iconic Ganges, the world's most revered river, is in trouble. Travelling to India, Jeremy's investigation takes him from crab-hunters in the delta to the mountains in search of a rare predator.

The Alaskans struggle to accomplish their tasks. For Glenn and Andy, freezing temperatures and thick ice mean increased difficulties for trapping. Jessie's sled dog race is complicated by snowfall.

Slovenia boasts a stunning variety of natural monuments, scenic landscapes and wildlife; the country has also been given top spot in a United Nations list of the most sustainable national lifestyles.

An old leopard queen is dead; when Thandi, the new queen, discovers the young cubs left behind, the fight for survival and for the crown of Djuma is on.

The Alaskans struggle to accomplish their tasks. For Glenn and Andy, freezing temperatures and thick ice mean increased difficulties for trapping. Jessie's sled dog race is complicated by snowfall.

Tennessee's Great Smoky Mountains live up to their name as America's most popular national park goes up in flames. Meanwhile a mega typhoon pulverises Macao.

The iconic Ganges, the world's most revered river, is in trouble. Travelling to India, Jeremy's investigation takes him from crab-hunters in the delta to the mountains in search of a rare predator.

The Alaskans struggle to accomplish their tasks. For Glenn and Andy, freezing temperatures and thick ice mean increased difficulties for trapping. Jessie's sled dog race is complicated by snowfall.

Few know that an exceptionally large moose colony lives in Matsalu National Park at the Baltic Sea; this story follows two yearlings through their first year of integration into adult moose society.

Gujarat in India is home to the last Asiatic lions in the wild; a first-time mother lioness must be creative in her survival skills to raise a new king, and that includes fooling the old one.

Fiji is better known for its idyllic beaches, but Jeremy is on the trail of a body-slamming beast that leaves disturbing marks on its adult victims - and discovers two underwater assailants.

The Alaskans must use the brief hours of daylight to build vital tools, maintain their land, hunt for needed food, and sharpen their survival skills.

Filmmaker Braňo Molnár creates an emotional portrait of the Danube river, a home to hundreds of species of plants and animals that has witnessed drastic changes in recent years.

The moment between predator and prey is a dramatic event in nature - for one it's a meal, for the other a matter of life and death. We look at the strategies top predators use to catch their prey.

The Alaskans must use the brief hours of daylight to build vital tools, maintain their land, hunt for needed food, and sharpen their survival skills.

Tennessee's Great Smoky Mountains live up to their name as America's most popular national park goes up in flames. Meanwhile a mega typhoon pulverises Macao.

Fiji is better known for its idyllic beaches, but Jeremy is on the trail of a body-slamming beast that leaves disturbing marks on its adult victims - and discovers two underwater assailants.

Few know that an exceptionally large moose colony lives in Matsalu National Park at the Baltic Sea; this story follows two yearlings through their first year of integration into adult moose society.