A German company has completed a six-week test of its full-flow staged combustion rocket engine. Named Typhoon, the engine’s ...

If we are sending manned interstellar missions to other star systems, it becomes very hard to keep masses and power levels ...

These days, nuclear power is mostly confined to the sea. But have any nations ever experimented with taking nuclear power to the skies? Here's the story.

Ad Astra Rocket Company (Ad Astra) and The Space Nuclear Power Corporation (SpaceNukes) have signed a strategic partnership to advance high-power Nuclear Electric Propulsion (NEP) technology to ...

For now, Sunbird is in the very early stages of construction and it has exceptional engineering challenges to overcome, but Pulsar says it hopes to achieve fusion in orbit for the first time in 2027.

Russian forces have installed multiple rocket launchers at Ukraine’s shut-down Zaporizhzhia nuclear power plant, Ukrainian officials claimed Thursday, raising fears Europe’s largest atomic ...

Ukraine’s state nuclear power firm has warned that containers with radioactive material might be shelled and said it is vital Kyiv retake the plant by winter. It accuses Russia of wanting to connect ...