The Wonder of It All

The Dream Is Alive takes you into space alongside the astronauts on the space shuttle. Share with them the delights of zero gravity while working,...

The 1960s was an extraordinary time for the United States. Unburdened by post-war reparations, Americans were preoccupied with other developments...

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and inspired today's technologies, including: cell...

Anyone carries something with them, something that can be short and painful, sweet and long, and strange and lovely, but it does not matter....

"The World's Most Powerful Telescopes" is a research expedition across the southern firmament. The science documentary shows the powerful telescopes...

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

Travel into the world of aviation and explore the dreams of flight with the Smithsonian as they step into the unknown.

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

How can structures, which take up defined, rigid portions of space, make us feel transcendence? How can chapels turn into places of introspection?...

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...

When Kennedy announced in 1961 that he wanted to take humans to the moon within a decade, Charles M. Duke was skeptical. Almost 11 years later,...