Explore some of the most stunning underwater locations in the world and set sail on a scientific race to predict the fate of the global ocean.

The epic story of three legendary women who fought to save the great apes — and inspired a generation.

Lynx hunt snowshoe hares in the boreal forest and the ancient dance between wolves and caribou on Canada's vast tundra reveal the harshest time of year when landscapes are transformed by winter.

From volcanoes to earthquakes & dust migration to meteorites — scientists reveal how much the Earth changes in 24 hours.

The first days of spring sees Arctic fox pups take their first steps and black bear cubs learn to climb trees after the long cold days of winter.

The secrets of plant behavior.

Join an investigative journey around the world to uncover the mysteries of the most famous dinosaur super-predator: the Tyrannosaurus Rex.

Five orphaned grizzly bear cubs get a second chance at life in the wild, but can they survive without their mother? A groundbreaking study follows the bears to find out if rewilding works.

Killer whales and blue sharks are on the hunt, while amorous fireflies light up the night forest with their dazzling display, as summer reveals Canada’s landscape at the peak of its splendour.

Travel back to the moment humans tamed the horse, and learn how horsepower made history.

Is your garbage can making raccoons smarter? Stunning footage shot in the deep, dark of night combines with groundbreaking research in this fascinating documentary to explore the remarkable ways that city life is changing raccoons.

The octopus is a close cousin of the oyster and snail. And yet, even by human standards the multi-limbed creature is considered highly intelligent. From Spain to Vancouver Island to Capri, Italy, scientists are testing the brain-power of the mysterious and mythic octopus.

Sarika Cullis-Suzuki travels back in time to solve the evolutionary mystery of the walking whale.

A investigation into whether or not Cholesterol really is the cause of heart problems.

Experience a calf’s first year of life as it grows up in Jasper National Park amid some of the most striking scenery on the planet.

Fall chronicles a remarkable season of change: young northern gannets leap off perilous cliffs as chipmunks race to gather winter supplies, and prairie rattlesnakes give birth to live young.

A journey around the world and back in time to discover why horses and humans make perfect partners.

New archaeological discoveries are challenging our understanding of when the first people arrived in North America, rewriting the human story.

Is today's strong pot damaging young minds? That provocative question is at the heart of this new documentary on recent science discoveries about marijuana and mental illness.

Trailblazing scientists are making ground-breaking discoveries in the rapidly evolving world of genetic engineering.

We see faces in everything. Facial recognition is an evolutionary superpower unique to humans.

ISIS destroyed thousands of ancient artefacts and buildings in Mosul. Now, archeologists are making incredible discoveries in the wreckage.

A rare and intimate glimpse into the inner life of one of the most intelligent, playful and mischievous species on the planet.

Lyme disease, a mysterious tick-borne illness, has become one of the fastest-spreading diseases in North America. Tiny, dangerous and once uncommon, the population of ticks is growing at an alarming rate. The documentary explores how climate change has hastened the spread of the ticks and this devastating disease, one that is often misdiagnosed and mistreated, and is mired in medical controversy.

The biggest archaeological survey ever conducted of the Stonehenge landscape finds new evidence of a lost civilization.