NASA will test a nuclear rocket engine that could take humans to Mars in 45 days

NASA has revealed plans to build a nuclear-powered rocket that could send astronauts to Mars in just 45 days.

The agency, which collaborated with the Pentagon’s Defense Advanced Research Projects Agency (DARPA) to design the rocket, published (opens in a new tab) on Tuesday (Jan. 24) that it could build an operational nuclear rocket engine as soon as 2027.

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