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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

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

'Rocket flames began shooting sideways then the sound wave hit'

UK military satellite launches to boost space power

Astronauts could be stuck in space for eight months, Nasa says

‘I left school at 16 to join Scots space race sector’ Video, 00:01:26‘I left school at 16 to join Scots space race sector’

Man's lifelong space collection to go on sale

Watch: Astronauts enjoy zero-gravity Olympics. Video, 00:00:43Watch: Astronauts enjoy zero-gravity Olympics

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

Cave discovered on Moon could be home for humans

Could we have babies in space? Video, 00:04:39Could we have babies in space?

Smelly planet 'reeks of rotten eggs'

China rocket crashes after 'accidental' launch. Video, 00:00:42China rocket crashes after 'accidental' launch

Space radar site opponents challenge politicians

Why are the Boeing Starliner astronauts still in space?

1962: US astronaut John Glenn orbits Earth. Video, 00:03:051962: US astronaut John Glenn orbits Earth

1983: Reagan launches Cold War into space. Video, 00:03:181983: Reagan launches Cold War into space

1999: Eileen Collins is NASA's first female commander. Video, 00:01:561999: Eileen Collins is NASA's first female commander

Astronauts 'stuck in space' while their craft is repaired

1962: John Glenn and the Space project in Cocoa Beach. Video, 00:08:121962: John Glenn and the Space project in Cocoa Beach

Space radar plan near national park 'unacceptable'

Astronauts in Boeing capsule arrive at space station. Video, 00:00:48Astronauts in Boeing capsule arrive at space station