NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.

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

Reaching Alpha Centauri within a single human lifetime has long sounded like science fiction, yet a new generation of nuclear ...

That something is nuclear propulsion. Essentially, a nuclear rocket engine is a reactor that has hydrogen running through it as a propellant, which is heated to an astonishing 3,000 K (2,727 °C, 4,940 ...

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 ...