Who were the Celts? Mystical druids from the British Isles, or gruesome, barbaric warriors? Evidence in the European Alps shows that they were an advanced, 3,000-year-old civilization. Now, another Celtic puzzle inside an ancient tomb: the mysterious remains of an aristocratic woman and two men.
This is the story of 18 brave men who risk danger—even death—to save what’s left of their homeland. Amidst the ruins of Libya, former soldiers and novice volunteers hunt for and disarm the improvised explosive devices (IEDs) left behind by IS terrorists.
They've captured our imagination and are a source of childlike wonder, but what exactly are rainbows? Learn the science behind these weather phenomenon and how one day they might help pinpoint habitable planets in deep space.
In 2017, two solar eclipses crossed the planet. Millions were awestruck as the earth, moon, and sun aligned, casting watchers into total darkness. America experienced the most extensive total eclipse, lasting ninety straight minutes, visible along a path pinpointed by NASA scientists.
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.
Thanksgiving for most begins with a turkey. But the huge, comical birds are not the only animals associated with the season.
Today, more people learn English as a second language than any other in the world. The formation of modern English is paved by warfare and the fall-and-rise of ancient tribes and civilizations.
Neurologist and best-selling author David Eagleman reveals how our brains piece together “reality,” and how we might expand our perception of the world around us.
Renowned geneticist and author Spencer Wells reveals how changes in our genetic code have fueled major changes in our appearance and capabilities over time, and why scientists believe we're continuing to rapidly evolve today. By understanding these changes, we are better prepared for the future.
A team of underwater archeologists searches for the remains of the Guerrero, an illegal slave ship sunk in battle off the coast of Florida.
Bugs, they're everywhere. Get an up close and personal look at the many unique secrets that can be found in the insect world. These creepy crawlies never looked so big!
From the early attempts for the Great War to the visionary offerings to assist in space flight, aircraft designers have turned to unorthodox twin boom concepts as a viable option.
To American military planners, the promise of intercepting Russian bombers far before they reached the American heartland was simply too appealing to ignore. The long-range Mach 3 "Rapier" was born, and as one of the missing Century Series fighters, the XF-108 interceptor had great promise.
In WWII both Britain and Germany raced to develop their fledgling jet engines into war winning technology. Jets had the potential to eclipse the records of the fastest piston engined aircraft. But there were many doubts about this technology, which led to some interesting hybrids.
Just because a mystery is 4,500 years old doesn't mean it can't be solved. Scientists are on a mission to "see through" the Great Pyramid of Giza and determine, without moving or destroying a single stone, if there are hidden chambers and passages inside. What will they find?
Marine mammals are among the most loved creatures on the planet, but because they live in a world that’s hostile to us, where it’s hard to follow them, much of their lives remain a mystery, adding to their mystique and appeal.
Journalist Nonny de la Pena has merged documentary filmmaking with video games, unleashing a powerful new form of virtual reality. Can VR become an "empathy machine?"
Love Thy Nature spotlights how deeply we’ve lost touch with nature, and takes viewers on a cinematic journey through the beauty and intimacy of our relationship with the natural world. It reveals how a deeper connection with nature can ignite a sense of purpose, meaning, and wonder.
What happened to the Neanderthal species? Was it genocide? An epidemic? Climate change? Interbreeding? An ambitious team travels around the world to examine the evidence—exploring the main regions Neanderthals inhabited.
Was it genocide? Epidemics? Climate change? Interbreeding? Competitive replacement? In order to find out, this ambitious team examines the evidence as it would a criminal investigation. They take us around the world to forensic labs and explore the main regions Neanderthals inhabited.
Photographer Harry Burton’s images of the Tutankhamun excavation created a global sensation in the 1920s and are still studied by Egyptologists today. Explore the spectacular locations where he worked and discover why Burton’s photographs inspired a craze for Egyptian designs.
Join the space probes, and their parents back on Earth, to explore the giant outer planets of our solar system and beyond.
A.I. is a primal force, like fire. The same fire that warms us can incinerate our homes; A.I. could enslave mankind -- or, join us in a grand alliance to reach the stars.
Take a ride with the space probes and their human handlers as they attempt to decipher the secrets of our Solar System from the inner planets to the asteroid belt.
