Apollo 8: Christmas at the Moon

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

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

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...

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

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

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...

A mind-bending, thrilling journey exploring the fragility and wonder of planet Earth, one of the most peculiar, unique places in the entire universe,...

All of the necessary technologies required to reach the Moon was first tested during Project Gemini, which comprised of ten missions in the mid-1960s.

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,...

A team of international scientists attempt to document the first-ever image of a black hole.