Most Popular

Aviation

Our Night Sky Series

Black Holes, Tides, and Curved Spacetime: Understanding Gravity Series

Loading more films...

150 Videos in Astronomy & Aeronautics

Loading...

History's Mysteries
Episode 1 of The Inexplicable Universe
Begin this journey by taking a closer look at concepts that were once unexplainable but are now better understood. You'll focus on two such former mysteries: the existence of an invisible "aether" through which light and sound were believed to…
Fight For Space - Where Is Your Space Program?
In 1962, spurred by the Cold War, President John F. Kennedy famously made the bold proclamation that NASA would send astronauts to the moon by the end of the decade. The Space Race inspired a generation to pursue careers in…
The Spooky Universe
Episode 2 of The Inexplicable Universe
Did you know that electrons have never actually been observed by scientists to this day? Or that quarks can only be studied in pairs? Or that as you travel faster or find yourself in a higher gravity, time ticks more…
A Space Program - Artist Tom Sachs' Homemade Space Station
Internationally acclaimed artist Tom Sachs takes us on an intricately handmade journey to the red planet, providing audiences with an intimate, first person look into his studio and methods. A SPACE PROGRAM is both a piece of art in its…
Inexplicable Physics
Episode 4 of The Inexplicable Universe
Turn now to some inexplicable aspects of physics and our physical world. Among the many eye-opening topics you'll learn about in this episode are the discovery of more and more elements on the periodic table; muon neutrinos, tao particles, and…
Inexplicable Life
Episode 3 of The Inexplicable Universe
Join Professor Tyson on a fascinating investigation of the possible origins of life in the universe. Why was Jupiter believed to be a good environment for life in the 17th century? Why is there only one single "tree of life"…
We Don't Need a Map - An Intimate Look at the Southern Cross Constellation
The Southern Cross is the most famous constellation in the southern hemisphere. Ever since colonisation it's been claimed, appropriated and hotly-contested for ownership by a radical range of Australian groups. But for Aboriginal people the meaning of this heavenly body…
Sepideh - An Iranian Teenager's Dream to Become an Astronaut
Sepideh wants to become an astronaut. She spends her nights exploring the secrets of the universe, while her family will do anything to keep her on the ground. The expectations to a young Iranian woman are very different from Sepideh's…
Inexplicable Cosmology
Episode 6 of The Inexplicable Universe
Brace yourself for a fascinating trip through dimensions higher than our own. You'll discover how quantum physics and string theory have opened our eyes to the possibilities of quantum foam, the multiverse, and antimatter. Join Professor Tyson for a preview…
The Strangest Force
Episode 1 of Black Holes, Tides, and Curved Spacetime
Begin your exploration of gravity with Isaac Newton and the famous story of the apple. Why was it such a breakthrough to connect a falling apple with the faraway moon? Review the essential characteristics of gravity and learn why small…
Inexplicable Space
Episode 5 of The Inexplicable Universe
Shoot off into the stars for an investigation of some perplexing aspects of space that science has uncovered in the last half-century. Learn about the mysterious trajectory of the Pioneer spacecraft (known as the "Pioneer anomaly"). Explore two of the…
The Constellations and Their Stars
Episode 1 of Our Night Sky Series
Begin your study of the night sky by investigating the origin of the constellations: the traditional groupings of stars that mostly date to antiquity. The well-known constellation Orion illustrates the fascinating mix of beauty, mythology, and scientific knowledge to be…
Encounters with the Alien Other
Episode 16 of How Great Science Fiction Works
Aliens are another icon and staple of science fiction. Often depicted as hostile and representing the unknown "other" as well as our fears about ourselves, aliens have been examined (and have examined us) in a variety of stories. Journey through…
Chasing Shadows - A Photographer Captures Solar Eclipses Around the World
For most people, total solar eclipses are once in a lifetime occurrences. Not for Geoff Sims, a professional photographer and astronomer who has captured many eclipses on many continents. He has travelled the globe in pursuit of solar eclipses, resulting…
Free Fall and Inertia
Episode 2 of Black Holes, Tides, and Curved Spacetime
Review three great discoveries by the "grandfather" of gravity research, Galileo Galilei. His most famous experiment may never have happened, but his principle of inertia, law of free fall, and principle of relativity are the basis for everything that comes…
Stonehenge and Archaeoastronomy
Episode 1 of The Remarkable Science of Ancient Astronomy
Why were the motions of the Sun, Moon, and stars so important to ancient people? Investigate key astronomical directions noticed by all cultures. Then embark on your study of Stonehenge, seeing how it gave birth to the field of archaeoastronomy…
Exoplanets and Extraterrestrial Life
Episode 28 of Redefining Reality
Fiction writers have led the way in exploring the prospects of life beyond Earth. See how scientists are catching up, looking for extraterrestrial organisms using a variety of ingenious techniques. Learn how they are narrowing the search and which tantalizing…
The Rationale for a Space Telescope
Episode 1 of Experiencing Hubble
Begin your exploration of the scientific stories behind 10 of the most fascinating images made by the Hubble Space Telescope. In this episode, learn about Hubble's design and how its operations were almost cut short by a flaw in its…
Chaco Canyon and Anasazi Astronomy
Episode 5 of The Remarkable Science of Ancient Astronomy
Travel to Chaco Canyon, New Mexico, where the Anasazi culture practiced sky-centered rituals a thousand years ago. Look for evidence of their astronomical knowledge, examine their many "sun daggers," and probe the controversial pictograph thought to depict the Crab Nebula…
Revolution in the Heavens
Episode 3 of Black Holes, Tides, and Curved Spacetime
Drawing on ideas and observations of Nicolaus Copernicus and Tycho Brahe, Johannes Kepler achieved a great insight about gravity by discovering three laws of planetary motion, relating to the mathematics of orbits. The cause of planetary motion, he determined, must…