Scientists and engineers are diligently working on innovative concepts to make the next era of human spaceflight more powerful and more efficient using nuclear propulsion. One of these designs, known ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

Humanity’s plans for deep-space exploration hinge on the ability to use basic resources, such as water, to propel rockets to farther destinations in the solar system. Despite decades of ...

Pangea Aerospace successfully fired an aerospike engine in a series of tests at a DLR facility in Germany in 2021. Credit: Pangea Aerospace WASHINGTON — Spanish propulsion startup Pangea Aerospace has ...

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 ...

GE Aerospace recently started test running the Passport-turbofan-based hybrid-electric propulsion system it developed under NASA’s Hybrid Thermally Efficient Core (HyTEC) programme, one of several ...