From over 100,000 films, discover the handful you'll love.
Free or premium access to the world's largest documentary library.
7227 films(Page 53 of 151)
Stalin's secret services orchestrated a vast espionage network that infiltrated key military and intelligence operations, ultimately enabling the Soviet Union to develop its own atomic bomb.
The Great Barrier Reef in Australia faces significant threats from Crown of Thorns starfish invasions, cyclones, and human development activities.
In the rainforests of Borneo and Sumatra, orangutans exhibit remarkable intelligence and complex social structures while facing threats to their survival.
Gray Wolves, once eradicated from the lower 48 states, have sparked intense debate over their conservation and impact on local communities in the West.
Greenland's Inuit face challenges from modernization and global warming in their Arctic home.
Construction of the world's first natural gas cruise ship at a German shipyard highlights the integration of traditional craftsmanship and modern technology.
Ancient engineering marvels have profoundly influenced contemporary architecture and technology, showcasing the enduring legacy of historical innovations.
Natural disasters in 2017, including hurricanes, earthquakes, and wildfires, caused widespread destruction and loss of life, highlighting their increasing intensity.
Roswell's infamous 1947 incident is examined through interviews, expert insights, and declassified files, revealing the complexities of this enduring mystery.
Hurricane Ike caused $13 billion in damage and left 2 million people without power for weeks, marking it as the third costliest hurricane in U.S. history.
Geological forces and plate tectonics will reshape Earth into a barren landscape in 250 million years, with New York buried under extreme conditions.
NASA has collected high-definition data on Earth's land, oceans, and atmosphere over the past 20 years, revealing complex interactions across the planet.
Astronomers have identified over 4,500 exoplanets, revealing that the search for extraterrestrial life is complex and may not resemble Hollywood portrayals.
Forces of nature shape planets in diverse ways, from the towering Mauna Kea on Earth to the volcanic activity of Jupiter's moon Io, revealing their unique geological stories.
A cylindrical object hovers over a UK teen during a dog walk, while schoolchildren recount multiple UFO sightings over three days in the 1960s.
A project to build the first real-time machine has just begun, with scientists aiming to master time itself within this century.
A scientist explores the connection between the stars and life on Earth, visiting leading research centers to reveal the profound link between the cosmos and humanity.
Tesla's factory showcases the intricate assembly of the Model S electric car, alongside innovations in racing motorbikes and military portable bridges.
There are 100 billion stars in the Milky Way, each with its own history and story, as scientists seek to unlock the secrets of the universe.
Gravity, as explored through Newton's laws and Einstein's theories of spacetime, is essential for understanding the cosmos and the effects of weightlessness on astronauts.
Venus's double-eyed vortex measures 1,800 miles wide and features hurricanes that whirl around each other, raising questions about the potential for life on other planets.
Seven members make up a wolf pack, where social dominance and body language define their interactions as they raise their young in the wild.
NASA astronauts Doug Hurley and Bob Behnken returned to Earth aboard SpaceX's Crew Dragon capsule, completing a historic test flight with a splashdown in the Gulf of Mexico.
A massive asteroid impact 66 million years ago caused catastrophic environmental changes, leading to the extinction of dinosaurs and the rise of mammals.
In Obernkirchen, Northern Germany, paleontologist Annette Richter and her team study a unique set of Deinonychosaur tracks, suggesting a significant evolutionary center for dinosaurs.
A solar superstorm in March 1989 left 6 million people in Quebec and Canada without electricity after a massive explosion on the Sun released charged particles.
Shetland's rural community relies on helicopters for vital connections during winter storms, showcasing resilience amid the Atlantic's fierce oceanic forces.
Lions, cheetahs, leopards, cougars, and tigers showcase their unique hunting strategies and survival skills across diverse habitats from the African savannah to Asian jungles.
Extraordinary mega transports around the globe highlight the meticulous planning and teamwork required to execute complex logistical operations safely.
Stephen Hawking's theories on black hole decay are examined alongside modern concepts suggesting the Universe may exist within a much larger timeline.
The Serengeti's wildlife faces relentless challenges as predators and prey adapt to the harsh realities of survival amid shifting ecosystems and human encroachment.
Jesus' miracles, from turning water into wine at Cana to feeding the multitudes at Lake Tiberias, are examined through archaeological and scientific insights.
Hammerhead sharks in French Polynesia remain a mystery to researchers, prompting freediver Frederic Buyle and scientist Dr. Johan Mourir to investigate their migration patterns.
The Space Shuttle Program launched 135 missions from 1981 to 2011, enabling satellite deployments and the construction of the International Space Station.
In New Zealand's alpine regions, the Kea parrot exhibits remarkable intelligence and adaptability, facing challenges from introduced predators and environmental changes.
Antimatter experiments conducted in space and underground facilities in Japan are revealing fundamental insights into the universe's creation.
Baby animals around the world, from proboscis monkey infants in Borneo to lion cubs in Africa, face extreme challenges and develop survival skills in their environments.
Global warming is projected to shift the global wine map, threatening traditional regions like southern Europe and California with rising temperatures and altered grape characteristics.
Animals on New-Britain have evolved unique adaptations that allow them to thrive in the hazardous environment created by volcanic eruptions.
In Chile’s Atacama Desert, Shaun Ryder explores UFO phenomena with ufologist Antonio Huneeus and witnesses recounting alien encounters and sightings.
A 300 to 400-foot-long cylindrical object was reported by pilots near Fort Sumpter, raising questions about unidentified flying objects.
Nature's most ruthless hunters, including lions, cheetahs, and orcas, employ diverse strategies to secure their survival in the wild.
Earth's core, a fiery and pressurized realm, is examined for its vital role in generating the planet's magnetic field and the potential consequences of its decline.
Animal communication is explored through examples like honeyguide birds, border collies, and elephants, highlighting the debate over language versus instinct.
Some 450 astronauts and cosmonauts have crossed the Kármán line, the boundary between Earth's atmosphere and outer space.
Nickel, referred to as "green gold" in New Caledonia, constitutes 90 percent of the region's exports, highlighting its critical role in modern industry and environmental concerns.
Extreme weather events, including storms, earthquakes, and tornadoes, are examined through scientific explanations and data-driven insights.
Significant advancements in aviation technology over the last 125 years are explored through four episodes of the acclaimed series 'Power'.
