Russia locks up six for Mars experiment

The hatch slammed shut Tuesday behind six volunteers from Europe and Russia who will spend three months isolated in a capsule in Moscow to simulate conditions for a manned mission to Mars.

Science without gravity at the International Space Station

In two decades orbiting the Earth the International Space Station has become a cutting-edge cosmic laboratory, with astronauts researching everything from black holes to disease and even gardening in microgravity.

China to build moon station in 'about 10 years'

Beijing plans to send a manned mission to the moon and to build a research station there within the next decade, state media reported Wednesday, citing a top space official.

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