NASA plans to send crewed missions to Mars over the next decade — but the 140 million-mile (225 million-kilometer) journey to the red planet could take several months to years round trip. This ...

Artificial intelligence is moving from the control room into the engine bell, reshaping how rockets are designed, steered and powered. Instead of treating propulsion as a fixed piece of hardware, ...

This relatively long transit time is a result of the use of traditional chemical rocket fuel. An alternative technology to the chemically propelled rockets the agency develops now is called nuclear ...

NASA is backing a new generation of nuclear rockets that could compress the months-long journey to Mars into a sprint measured in weeks. The most ambitious concepts on the table promise crewed trips ...

NASA plans to send crewed missions to Mars over the next decade—but the 140 million-mile (225 million-kilometer) journey to the red planet could take several months to years round trip. This ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Every year, companies and space agencies launch ...