Space exploration

'Human race needs to expand beyond Earth,' says Prof Brian Cox

Brightening comet set to shine in autumn sky

Business Daily. The new space race. Audio, 18 minutesBusiness Daily

Witness History. India's Mars Orbiter Mission. Audio, 9 minutesWitness History

Watch: Key moments from first non-professional spacewalk. Video, 00:01:03Watch: Key moments from first non-professional spacewalk

Quarry doubles as moonscape for space rover trials

Witness History. The woman who spoke to the space station. Audio, 9 minutesWitness History

Are we thinking about alien life all wrong? Video, 00:05:47Are we thinking about alien life all wrong?

How big is our Universe? Video, 00:06:58How big is our Universe?

String theory - a simple way to understand the Universe. Video, 00:05:28String theory - a simple way to understand the Universe

How we became obsessed with UFOs. Video, 00:04:05How we became obsessed with UFOs

Witness History. Canada’s first UFO landing pad. Audio, 9 minutesWitness History

Does Mars' position at birth affect sporting ability? Video, 00:02:16Does Mars' position at birth affect sporting ability?

Super speedy space object surprises scientists

Reservoir of liquid water found deep in Martian rocks

How clouds of glitter-sized rods could help humans live on Mars

First archaeological study in space reveals astronauts need more storage

They went to space for eight days - and could be stuck until 2025

Space agency increases jobs at satellite lab

Tim Peake joins first manned all-UK space team

1968: Inside the Apollo Command Module. Video, 00:05:151968: Inside the Apollo Command Module