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 ...

Sustainability is a factor that’s being considered not just for all types of vehicles on Earth, but also for those that travel to outer space. With so many startups joining the satellite and small ...

We are all witnessing an unprecedented growth of the aerospace industry and an important part of that is rocket engine development, meant to increase efficiency while cutting costs. One of these ...

The aerospace startup Aspire is designing a fully reusable rocket that could make launches cheaper. It might just beat Elon ...

Aerospike rocket engines are the stuff of legend in the space industry. Conceived in the 1960s, their unique spiked-nozzle design promises better efficiency, reusability, and performance at all ...

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 ...

The aerospike engine holds great promise for spaceflight, but for various reasons, has remained slightly out of reach for decades. But thanks to Leap 71, the technology has moved one step closer to a ...

In a feat that can only be described as legendary, and after many months and a catastrophic setback, Polaris Spaceplanes has finally accomplished something that's never been done before: lit the fuse ...

Pangea Aerospace successfully fired an aerospike engine in a series of tests at a DLR facility in Germany in 2021. Credit: Pangea Aerospace WASHINGTON — A European small launch vehicle startup has ...

The world's first flight test for an aerospike rocket engine ended in disaster, but Polaris Aerospace is back on track, preparing to fly two new prototypes for its MIRA supersonic/hypersonic aerospike ...