From over 100,000 films, discover the handful you'll love.
Free or premium access to the world's largest documentary library.
134 films(Page 1 of 3)
Ancient skywatchers and modern astronomers reveal the Milky Way's evolution, exploring its mythology and the scientific methods used to map its structure.
Enjoy 10% off Hoverpens with free shipping to Canada and Europe in this engaging video.
A Soviet space probe named Luna 3 captured the first images of the Moon in 1959, marking a significant milestone in space exploration.
Mars, once resembling Earth, is explored through probes and rovers, while Saturn's rings are studied via the Cassini probe to understand solar system evolution.
NASA's enhanced film footage of the Apollo moon landings provides a new perspective on lunar exploration and the evidence collected about Earth's origins.
The Moon's gravitational influence leads to significant phenomena on Earth, including giant tides, animal migrations, and coral spawning, shaping ecosystems for billions of years.
For more than 20 years, musician Alal has traveled Arizona's desert roads in his old taxi, performing concerts in small towns across the state.
Droughts, exacerbated by climate change, have historically reshaped human migration and agriculture, with recent impacts highlighted by former California Governor Jerry Brown.
In 2020, North America reported 8,500 UFO sightings, with modern technology enabling the capture of compelling visual evidence and personal accounts from witnesses.
A barn-size UFO aggressively approaches a teenager hitchhiking, while a retired French engineer encounters a crashed flying saucer that emits a high-pitched whistle.
As global temperatures rise, tornadoes are increasingly striking densely populated areas outside Tornado Alley, posing greater risks to communities and industries.
US Air Force pilots recount encounters with a 60-foot metallic UFO, while a police constable describes a beam of light from a mysterious crash site.
Carp, Ontario, has gained notoriety as a UFO hotspot, raising questions about the legitimacy of sightings and the mysterious entity known as Guardian.
Countless UFO sightings reported globally each year include a select few that remain unexplained, captivating experts and researchers from Alberta to Australia.
In rural Australia, a farmer encounters a mysterious 25-foot-wide object emerging from a swamp, while similar phenomena occur in New Mexico and Germany.
Seventy-five years of UFO encounters are examined through expert analysis, revealing the interplay of government disinformation, cultural beliefs, and technological secrecy.
In Texas, residents report a series of mysterious flashing lights on New Year's Eve, while a French doctor claims an alien craft healed his injury without contact.
In Missouri, a group of 500 residents reports sightings of bright lights and strange crafts, while a cigar-shaped object targets a family in Nova Scotia.
Survivors from Japan, Thailand, Indonesia, and California recount their experiences with devastating tsunamis and explore the various causes and protective measures.
Saskatchewan crop circles, a Hudson Valley wave of sightings, and a low-flying saucer that kills plants highlight a series of unexplained UFO phenomena.
Astronomers search for Earth-like planets among four hundred billion stars in our galaxy.
Recurring UFO sightings in locations like Norway and the Pacific Ocean raise questions about the intentions of these phenomena and their impact on eyewitnesses.
Alleged alien abductions are examined through expert interviews and eyewitness testimonies, highlighting psychological, cultural, and scientific perspectives.
Research on the microbiome reveals that microscopic events during childbirth significantly impact lifelong health outcomes for children, as highlighted by experts like Martin Blaser.
Survivors of deadly tornadoes in Oklahoma, Kentucky, and Alabama share their experiences alongside scientists developing technology to predict tornado formation.
UFO abductions are explored through the harrowing first-hand accounts of experiencers who face psychological and physical effects, alongside societal ridicule.
Mass UFO sightings, such as the Phoenix Lights and mysterious Atlantic Ocean events, raise questions about extraterrestrial contact and the physical evidence left behind.
A massive alien craft threatens a pregnant woman in Michigan and injures an Argentinian woman with a fiery blast, prompting investigations by coast guard officials.
A cylindrical object hovers over a UK teen during a dog walk, while schoolchildren recount multiple UFO sightings over three days in the 1960s.
The 2018 Palu tsunami in Indonesia highlights the urgent need for improved tsunami prediction and mitigation strategies by the scientific community.
Six police officers chase a UFO across state lines into the radar path of Pittsburgh International Airport, while a flying pyramid incapacitates a veteran in a Florida swamp.
Heavy rainfall and extreme flooding in the southern US are displacing families and causing significant economic losses as climate change intensifies weather patterns.
Air pollution is exacerbated by industrial emissions and melting permafrost, while a warming Polar Vortex disrupts weather patterns, leading to extreme winter storms.
Volcanoes erupt across the globe, from Iceland to Indonesia, revealing the science behind their power and the advancements in monitoring technology since Mount St. Helens in 1980.
In Alaska, residents face the imminent threat of becoming climate refugees as melting permafrost and rising sea levels endanger their coastal communities.
Volcano Discovery, led by volcanologist Thomas Pfeiffer, offers adventurous tours to some of the world's most active volcanoes, including Krakatoa and Ethiopia's Danakil Depression.
Everyday locations around the world, from beaches to military bases, are becoming sites for UFO sightings that challenge our understanding of reality.
Seismic forces cause devastating earthquakes in regions like California, Haiti, and New Zealand, while scientists explore new technologies for prediction and safety.
Extreme weather events, including powerful hurricanes and unprecedented wildfires, are intensifying due to accelerated climate change, posing significant threats to life on Earth.
Astronomers are studying the supermassive black hole at the center of the Milky Way galaxy by tracking stars orbiting it at extraordinary speeds.
Severe winter weather, including blizzards in New York and Chicago and the collapse of the Marmolada Glacier in Italy, highlights the power and impact of storms.
California's San Andreas Fault is analyzed for its potential to trigger a catastrophic earthquake, while advanced technology aids in predicting seismic events.
Tornadoes, particularly in Tornado Alley, are increasingly frequent and destructive, prompting storm trackers Val and Amy Castor to enhance public safety through advanced forecasting.
Venus, Earth's hellish counterpart, features a lethal atmosphere of carbon dioxide and acid rain, prompting scientists to explore the potential for similar conditions on Earth.
Recent advancements in astronomy, including Edwin Hubble's discoveries and data from the Hubble Space Telescope, reveal that the universe spans nearly 46 billion light years.
Mars presents a complex environment for potential human settlement, revealing both its stunning beauty and hidden challenges as technology advances.
In 2014, the polar vortex, weakened by climate change, caused extreme cold and severe weather across North America and Europe, impacting cities like Cleveland, Ohio.
A Navy training mission reveals a squadron leader's claims of persistent UFO sightings on radar, prompting an investigation into their authenticity.