The Sea Dragon, a 490-foot behemoth, would have been built of inexpensive steel and launched from the sea, minimizing ground infrastructure.

A concept more akin to the modern idea of ... further wasn’t possible without causing excessive injury. Rocket propelled seats would eventually become the norm, providing a smoother, more ...

Although it is labeled a concept, it too will go into ... transforms the four-seat convertible into a two-seat speedster, this new edition Rocket maintains exceptional visual drama and performance ...

The hybrid rocket concept can be traced back to at least the 1930s. Hybrid rockets avoid some of the disadvantages of solid rockets like the dangers of propellant handling, while also avoiding some ...

In line with the document, the company registered "the concept of creating a family of super-heavy rockets on the basis ... Roscosmos and NASA signed a seat-swap agreement allowing Russian ...