The World's Most Powerful Telescopes

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

The Future of the Planet is at stake by biblical brophecy to spaceborn calamity.

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.

How can structures, which take up defined, rigid portions of space, make us feel transcendence? How can chapels turn into places of introspection? How can walls grant boundless freedom? Driven by intense childhood impressions, director Christoph Schaub visits extraordinary churches, both ancient and futuristic, and discovers works of art that take him up to the skies and all the way down to the bottom of the ocean. With the help of architects Peter Zumthor, Peter Märkli, and Álvaro Siza Vieira, artists James Turrell and Cristina Iglesias, and drummer Sergé “Jojo” Mayer, he tries to make sense of the world and decipher our spiritual experiences using the seemingly abstract concepts of light, time, rhythm, sound, and shape. The superb cinematography turns this contemplative search into a multi-sensory experience.

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and the possibility of other life forming around distant stars.

In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UFOs have risen to become one of the most-talked about pop culture phenomena. With all of this noise, how can we expect anyone to know how much of this is true? What is in our skies? What do we know, and how do we know it? And most importantly: Are we being visited?

It contains 99.9 percent of all the matter in our solar system and sheds hot plasma at nearly a million miles an hour. The temperature at its core is a staggering 27 million degrees Fahrenheit. It convulses, it blazes, it sings. You know it as the sun. Scientists know it as one of the most amazing physics laboratories in the universe.

Go higher, faster and farther with the Smithsonian as they explore the dreams of flight.

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

Computer animation and footage from NASA space missions explain how our solar system evolved and the place Earth has within the system.

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.