Nuclear-powered rocket could get astronauts to Mars faster

Photos: The rockets that defined space travel
2020: Rocket technology has come a long way since the start of the space age. Humanity's next giant leap is sending astronauts to Mars, with NASA hoping to do this by the mid 2030s. But to reach the red planet, explore the surface, and safely return home, new technologies must be deployed. One option being considered is nuclear-powered rockets. This design, by USNC-Tech, could travel from Earth to Mars in just three months, says the company. Click through to see the evolution of spacecraft, and how far we've come.
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