Man on the Moon with Walter Cronkite

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

In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UFOs have risen to become one of the most-talked...

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...

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

For 18-year-old Finnish–Kosovan Fatu, a simple visit to the grocery store feels as nerve-racking as a lunar expedition: for the first time in...

The inspirational true story of Opportunity, a rover that was sent to Mars for a 90-day mission but ended up surviving for 15 years. Follow...

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

Documentary about an African-American girl who grows up to help NASA put astronauts into space and bring them home safely. She was one of the main...

At the heart of the Apollo program was the special team in Mission Control who put a man on the moon and helped create the future.

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

Never-before-heard audio tapes recorded with Neil Armstrong during the final years of his life reveal an intimate portrait of this iconic - and...

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,...