Sending astronauts to Mars by 2040 is 'an audacious goal' but NASA is trying anyway

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Astronauts may orbit Mars by 2033, but setting foot on the Red Planet by the end of next decade would be an "aggressive" and "audacious" goal, NASA officials said.

Sending astronauts to Mars by 2040 is 'an audacious goal' but NASA is trying anyway : Read more