To Mars by A-Bomb: The Secret History of Project Orion

Follow astronaut Scott Kelly's 12-month mission on the International Space Station, from launch to l...

Join our host on the International Space Station of the year 2050. Marvel at the three-dimensional s...

Over the centuries only few caravans dared to cross the northern route of the silk road that today l...

50 years after launching our dreams into space, we’re left with a troubling legacy: a growing ring o...

Archival material from the original NASA film footage – much of it seen for the first time – plus in...

A group of renowned cosmologists and astrophysicist are in search of a realistic picture of the univ...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Ven...

With the Doomsday Clock the closest it's ever been to midnight, Jane Corbin investigates the prolife...

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

Twelve men who belong to one of the world's most exclusive fraternities -- people who've walked on t...

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laborat...

Today, hundreds of kilometers above our heads, millions of pieces of trash are orbiting randomly at...

In one single, epic camera move we journey from Earth's surface to the outermost reaches of the univ...

Challenger Disaster: Lost Tapes follows the story of the Space Shuttle Challenger and its crew, spec...

On December 7, 1972, NASA launched Apollo 17, a lunar mission crewed by Eugene Cernan, Ronald Evans...

This remarkable journey across our planet and universe explores how meteorites, shooting stars, and...

Uncover clues about the origins of our galaxy with a team of astronomers and scientists as they stri...

John Glenn goes on another journey into outer space for tests on how old age is affected there. His...