Are we close to commercial space travel?

The first commercial capsule capable of carrying humans has docked with the International Space Station

Science fiction has always said that space is the next frontier. And that is gradually becoming a reality.

Private companies are taking small steps towards enabling people to travel more often to space and live longer away from Earth.

On Saturday, SpaceX, the firm owned by billionaire Elon Musk, made history with the launch of its Dragon spacecraft.

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