A DARPA official said the agency canceled a space nuclear propulsion project it was jointly developing with NASA in part because the effort was overtaken by lower launch costs.

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"We are finally at the cusp for both nuclear electric propulsion and nuclear thermal propulsion," said Kristin Houston, president of space propulsion and power systems at L3Harris Technologies

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As NASA finally launches the first Space Launch System mission, America is failing to invest in critical space propulsion technology needed to send astronauts to Mars.

The post Op-ed | It’s Time for Congress to Order the Nuclear Option appeared first on SpaceNews.

NASA needs to pursue “aggressive” development of space nuclear propulsion technologies if the agency wants to use them for human missions to Mars in the next two decades, a report by a National Academies committee concluded.

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