Whether the German V-2 rocket, NASA’s legendary Saturn V, or SpaceX’s Falcon Heavy, all rocket engines share a common attribute: their exhaust nozzles are shaped like bells. The geometry of this ...

Here’s what you’ll learn when you read this story: For 65 years of human spaceflight, rockets ferrying astronauts to the stars have all had bell-shaped nozzles specifically designed to produce enough ...

RocketStar aims to launch its developmental Cowbell rocket from this multi-use launchpad in Cape Canaveral, Florida. Credit: RocketStar TAMPA, Fla. — New York-based RocketStar plans to launch its ...

Here’s what you’ll learn when you read this story: The aerospike engine—which uses air pressure to shape the downward force needed to launch a spacecraft—has been on the cusp of entering mainstream ...