The Last Steps

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

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...

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

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

From 1957 —the year in which the Soviets put the Sputnik 1 satellite into orbit— to 1969 —when American astronaut Neil Armstrong...

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

What’s it like to dedicate your life to work that won’t be completed in your lifetime? Fifteen years ago, filmmaker David Licata focused...

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

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laboratory that 16 nations came together to build. Get a...

Recently discovered footage reveals the secret history of NASA's first landing on the moon, and using this brand-new evidence, former astronauts and...

Heroes of the Apollo Missions, Buzz Aldrin, Mike Collins , Charlie Duke and more come together to share insights, experiences, and stories of the...

Who were the men and women of Project Apollo? Where are they today? What do they think of the extraordinary effort they helped make possible?...