Duration: 02:45

A British astronaut describes his career pathway, selection process and training.

Duration: 02:09

An interview with a Systems Engineer working on the 2018 ExoMars Rover Project.

Duration: 02:11

The Public Astronomer at the Greenwich Royal Observatory, Dr Marek Kukula, describes his background and current role.

Duration: 02:54

An interview with a space scientist who is passionate about encouraging girls to pursue careers in science.

Duration: 02:52

An interview with an astrobiologist who researches extremophile bacteria to understand the possibilities of life on other planets.

Duration: 04:28

Liz Bonnin finds out how NASA scientists operated the Mars Curiosity rover from Earth.

Duration: 01:39

NASA's first dedicated mission to measure carbon dioxide from space - the Orbiting Carbon Observatory - has failed following a rocket malfunction.

Duration: 04:04

First manned lunar landing - documentary footage.

Duration: 03:08

The Russians shocked the world by successfully crashing a probe into the Moon in 1959.

Duration: 01:51

The launch, flight and lunar orbit of the Apollo 8 space mission, which was the first spacecraft to orbit the Moon.

Duration: 02:09

The route of the Voyager spacecraft was planned in order to use 'gravity assist' in its propulsion. The gravitational pull of planets is used to gain energy.

Duration: 04:53

An expert astronomer explains how digital SLRs and webcams can be used to take high quality images of the night sky.

Duration: 05:01

The Hubble Space Telescope has taken the first direct pictures of a planet, Fomalhaut b, orbiting a star.

Duration: 02:00

An interview with a NASA scientist who explains how the Kepler space-telescope works and what it is looking for.

Duration: 01:25

A brief description of the three astronauts from the Apollo 11 mission, which landed the first humans on the Moon in 1969 - Neil Armstrong, Edwin 'Buzz' Aldrin and Michael Collins.

Duration: 05:03

A description of the Apollo Moon landings and how they were controlled.

Duration: 02:59

Dara O Briain looks at the growing problem of space debris.

Duration: 01:25

An introduction to the effects of space travel on the human body.

Duration: 01:32

An explanation of the effects of space travel on the human body including muscle and bone deterioration and radiation from solar flares.

Duration: 01:35

Archive footage explaining the variety of instruments and their functions on the Viking lander which landed on the surface of Mars.

Duration: 04:13

The Mariner space program and images taken of the surface of Mars - archive footage.

Duration: 04:16

An animated history of human exploration from the seagoing explorers of the ancient world to the Apollo moon landings.

Duration: 05:01

The Russian Venera 7 probe withstood the high atmospheric pressure to reach the surface of the Venus.

Duration: 07:09

Neil Armstrong is interviewed about his first hand experience.

Duration: 03:11

An interview with an astronaut about navigating and travelling on the moon's surface.