<p><br /> Humans could be sent to Mars one-way as part of Nasa plans to permanently colonise other planets.<br /> </p><p><br /> Scientists have confirmed that they are looking into the possibility sending astronauts to other planets by 2030.<br /> </p><p><br /> It would take the volunteers nine months to get to the red planet, and they would leave knowing they would never see Earth again.<br /> </p><p><br /> That is because it would cost too much to fly them back.<br /> </p><p><br /> The mission, titled Hundred Years Starship, is likely to cost something in the region of £7 billion, and it is relying on grants and donations. The world's billionaires have reportedly been asked to contribute.<br /> </p>
