The Violent Universe

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.

Laika, a stray dog, was the first living being to be sent into space and thus to a certain death. A legend says that she returned to Earth as a ghost and still roams the streets of Moscow alongside her free-drifting descendants. While shooting this film, the directors little by little realised that they knew the street dogs only as part of our human world; they have never looked at humans as a part of the dogs’ world.

BUILT FOR MARS: THE PERSEVERANCE ROVER goes behind the scenes at NASA’s Jet Propulsion Laboratory to follow the birth of the Perseverance rover.

With unique access to Nasa, Brian Cox follows Perseverance rover’s search for life on Mars during a critical seven-day period as it undertakes an epic journey across the red planet.

Bill Nye and Ken Ham debate whether creation is a viable model of origins in today's modern scientific era.

A real-time reconstruction of time-lapse photographs taken on board the International Space Station by NASA’s Earth Science & Remote Sensing Unit. The film is scored with musical selections from three albums by Phaeleh (producer Matt Preston): Lost Time, Illusion of the Tale, and Somnus. The music directly influenced the choice of material used in the film. The film's duration is approximately the length of time it takes ISS to orbit the Earth once: 92 minutes and 39 seconds. Meditate on the beauty of our planet.

On July 16, 1969, hundreds of thousands of spectators and an army of reporters gathered at Cape Kennedy to witness one of the great spectacles of the century: the launch of Apollo 11. Over the next few days, the world watched on with wonder and rapture as humankind prepared for its "one giant leap" onto the moon--and into history. Witness this incredible day, presented through stunning, remastered footage and interviews that takes you behind-the-scenes and inside the spacecraft, Mission Control, and the homes of the astronaut's families.

Trees talk, know family ties and care for their young? Is this too fantastic to be true? German forester Peter Wohlleben and scientist Suzanne Simard have been observing and investigating the communication between trees over decades. And their findings are most astounding.

The captivating tales of the people and events behind one of humanity's greatest achievements in exploration: NASA's Voyager mission.

This film consists of three parts. The first dramatizes the life of the founder of Soviet astronautics, Konstantin Tsiolkovsky; the second describes the development of rocket technology; and the third visualizes the future with enactments of the first manned spaceflight, spacewalk, space station construction and humans on the moon.

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.

In Astronomy Part 2, you will learn all about the planets, asteroids, comets, meteoroids, the layers of the sun, fusion, and more. The Standard Deviants make learning astronomy easier with their unique teaching style, which incorporates humor, mnemonics, and sophisticated computer graphics.

This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's Law, the universal law of gravitation, the Doppler Effect, and much more!

Physics is a system of models of nature according to which all phenomena are explained in terms of matter and force. Sound confusing? It doesn't have to be! Whether you need help with high school physics, need to review for a college physics class, or you're studying for the AP Physics Exam, this physics tutorial will help you understand the basics, such as Newton's Laws, the Law of Universal Gravitation, Kepler's Law and more.

Sniper: Bulletproof deconstructs and analyzes the little-known sniper events that have occurred when no other course of action was possible. The people who planned the takedowns, or pulled the trigger, share their techniques and bring to light the many factors that had to be considered in each mission: terrain, wind speed, temperature, elevation changes... all are critical to taking out targets considered bulletproof. A sniper has one chance, one breath, to rise to the occasion and save the day... if they miss, there may never be another opportunity. As these never told before stories unfold, the viewer also learns about the high-tech gear each sniper carries on their classified missions.

Of the Seven Wonders of the Ancient World, the Pyramid is the only one to survive. Many believe that even with our 21st-century technology, we could not build anything like it today. Based on the most up-to-date research and the latest archaeological discoveries, here is how the Pyramid came to be.

Archival material from the original NASA film footage – much of it seen for the first time – plus interviews with the surviving astronauts, including Jim Lovell, Dave Scott, John Young, Gene Cernan, Mike Collins, Buzz Aldrin, Alan Bean, Edgar Mitchell, Charlie Duke and Harrison Schmitt.

The use of embryonic stem cells has ignited fierce debate across the spiritual and political spectrum. But what if we could create manmade stem cells - or find super cells in adults that could forever replace embryonic cells and remove the controversy? Today, we are on the brink of a new era - an age where we may be able to cure our bodies of any illness. Stephen HAWKING has spent his life exploring the mysteries of the cosmos, now there is another universe that fascinates him - the one hidden inside our bodies - our own personal galaxies of cells.

A UFO enthusiast interviews Dan Aykroyd on the subject of extraterrestrials visiting Earth.