Hawking: Humans must colonise space
Updated on 09 August 2010
The human race must colonise space within the next two centuries or it will become extinct, Stephen Hawking has warned.
The renowned astrophysicist said he fears mankind is in great danger and its future "must be in space" if it is to survive.
In an interview with website Big Think he said threats to the existence of the human race, such as the 1963 Cuban missile crisis, are likely to increase in the future and plans to handle them must be put in place now.
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