The World In 4K

New discoveries of dinosaur fossils are completely changing what we know about the animals that lived on our planet millions of years ago.

Why do animals produce light of their own? For centuries, we could only marvel at the mystery of bioluminescence. Now we can begin to reveal the amazing truth about these living lights. Sir David Attenborough is our guide, as we venture into a world he describes as "utterly unlike our own".

How did fungi shape all terrestrial life—including us? The Kingdom of Fungi is an alien world, hidden from sight, with the largest and oldest organisms alive today. By studying fungi in the context of evolution and natural history, scientists are making life-changing discoveries.

The story of humans is often driven by events from the prehistoric past. How did physics, geology, biology, chemistry shape our history?

Big cat populations are shrinking fast, but now we have the means to view them in more detail than ever.

Whales have long been a profound mystery to us. They live in a world so removed from our own that we can barely imagine their lives. Their environment is different, their senses are different, their relationships are different. How might such almost alien creatures see the world?

Scientists have discovered that insects have remarkably sophisticated behaviors and even personalities quite similar to our own.

More beautiful than butterflies, more spectacular fliers than hummingbirds, and with intriguing behavior as complex as mammals or birds. They’ve been flying around for hundreds of millions of years, crossing paths with dinosaurs before we mammals were even a twinkle in the eye of evolution.

In the Swiss Jura, tiny wood ants build heated cities, farm aphids, brew antibiotics, and fight acid wars—yet thousands of nests choose peace. Attenborough explores a billion-strong society that may be rewriting evolution’s rules of cooperation.

The US National Parks have some of the most iconic landscapes in the U.S. But there is also an underwater side to explore!

In this unprecedented series, recent scientific discoveries shed new light on the extraordinary prehistory of big cats.

Journey back to primeval Earth in the age of dinosaurs for new findings and puzzling discoveries about their evolution and extinction.

Embark on a journey deep into the unknown 95% of our planet, revealing extraordinary caves with 3D laser-scanning technology.

The Humboldt Current is part of a much larger system, the South Pacific Gyre, and the equator as its uppermost limit.

Life on Earth can be fiercely competitive and, at the same time, intricately interconnected as species survive through one another.

Go behind the scenes of wildlife filmmaking and join Andy Casagrande, as he gets up close and personal with some of the most iconic sharks.

Biologist Patrick Aryee embarks on a high-octane adventure to discover how nature can help us solve humanity’s biggest challenges.

Here is nature seen through the hearts, minds and eyes of the world’s greatest female cinematographers.

Lift the Ice follows the adventures of six uniquely skilled experts as they investigate the remarkable mysteries emerging from our ice.

Nepal is known for its Bengal tigers, but only 300 remain in the wild. Tracker Casey Anderson is determined to walk in their footsteps.

This 5-part documentary series reconstructs major events that shaped our world and shows how life evolved—despite apocalyptic catastrophes.

From award-winning filmmaker, David Conover of "Sunrise Earth", a 4K journey to twenty of the most spectacular locations in the world.

This is a fascinating journey through time to unearth some icy treasures. The glaciers of the Alps are melting down due to climate change, releasing invaluable treasures - artifacts, human beings, and other testimonies of the past preserved in the ice.

In the Sonoran Desert of Arizona, an old cactus serves as a precious oasis for many wild animals. From the roots in the “basement” to the flowery “rooftop bar,” this cactus is like a luxurious “hotel” for its unusual band of flying, crawling and hopping neighbors.

It’s the dry season near the Serengeti and hungry lions threaten the livelihood of cattle-herder Rugari and his family. He could kill the predatory lions and protect his cattle, but his daughter seeks another solution. Filmed on location in Tanzania—where the worlds of lions and humans collide.

Host Derek Muller uncovers the mind-blowing secrets of spider vision! Discover how advanced color vision in jumping spiders has evolved in so many unique ways, and explore the wide spectrum of colors in their hidden world. You won't believe what these tiny creatures can see!

Join filmmaker Casey Anderson as he embeds in the Alaskan wilderness to follow the largest terrestrial carnivores in the world.

Life in the ocean is more similar to yours than you may think! On Malaysia's Sipadan Island—one of the most biodiverse places on the planet—a great coral city is home to millions of organisms who must navigate daily life among neighbors of all shapes and sizes.

Giant birds once existed all around the world, yet none could fly! Go on a journey to far-off islands and discover the birds who lived alongside our ancestors.

Things are heating up down under! The world’s smallest penguins are looking for love on Australia’s biggest island, but cars, cats, and camera-wielding humans are killing the mood. Will these little penguins persevere and find mates or spend the breeding season alone?

Discover biotopes and endemic species that have evolved over millions of years, but are now at risk from deforestation and climate change.

Deep within the Javan jungle, an expedition has set out in search of the last stand of the world’s rarest rhino. Once prolific across Asia, the Javan Rhino now exists only in Java, where photographer Toby Nowlan is on a mission to photograph the species in hopes of protecting it from extinction.

How much do you know about animal superpowers? Follow the everyday lives of prairie dogs, howler monkeys, and rattlesnakes, as they harness the power of sound to protect themselves.

Wildlife filmmaker and biologist, Dan O’Neill, embarks on an expedition to Guyana's untouched forests, a paradise home to abundant wildlife. However, the pristine world is threatened by illegal gold mining near the Rewa River. Can Dan document these incredible animals—before it's too late?

Hidden in the jungles of Thailand lies an ancient kingdom—a last refuge for the rarest wild cats on earth, including the clouded leopard, the Indian fishing cat and the Indo-Chinese tiger. Within this tangled forest, these apex predators search for prey, pursue mates and protect their young.

Nature holds many surprises in a moor: It seems as if some of the most bizarre and colorful members of our native species live in the bog. Plants that eat animals live here and so do mushrooms that suck the life out of plants.

The Amazon's "beating heart" trees, which pump out billions of tons of water vapor, are vital to the Earth's environmental balance. What if this phenomenon vanishes? It's a scientific race to uncover the climate impact and address human responsibility.