Space agencies are moving closer to a new era of rocket propulsion that could fundamentally change deep-space travel. Nuclear ...

NASA is backing a new generation of nuclear rockets that could compress the months-long journey to Mars into a sprint ...

Scientists have proposed two experimental spacecraft that could reach one of the farthest known objects in the solar system in as little as seven years. The team of researchers, from Italy, believes ...

Introduction -- Rocket engine fundamentals -- Nuclear rocket engine cycles -- Interplanetary mission analysis -- Basic nuclear structure and processes -- Neutron flux energy distribution -- Neutron ...

The ​ability to return, recover, and reuse a rocket's engine-packed ‍first stage, or booster, after launch is crucial to reducing costs and making it easier for countries to send satellites into orbit ...

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 ...

WASHINGTON — 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 advances in more conventional ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Shown here is a one-eighth scale ...