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.

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

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

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?

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

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.

David Attenborough travels to the Jura Mountains in the Swiss Alps, to find out about one of the largest animal societies in the world, where over a billion ants live in peace.

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.

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

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.

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.

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

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

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

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

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

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.

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.

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

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

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!

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?

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

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.

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.

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

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.

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.

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.