An upper stage is the last part of a rocket that delivers a payload,” explained Toni Tolker-Nielsen, head of ESA’s space transportation department. “Also called an orbital stage, these elements have, ...

A fresh computer-generated video shows the Aerojet 260, the largest single solid rocket motor ever fired, laaunching from an ...

A new boron-rich compound, manganese diboride, delivers much higher energy density than current solid-rocket materials while remaining stable until intentionally ignited. Its power comes from an ...

Firehawk Aerospace on Tuesday said that it flight-tested variants of Javelin and Stinger missiles built by the company with ...

Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a ...

Los Angeles startup Inversion has unveiled Arc, a spacecraft designed to deliver 500 pounds of supplies from orbit to Earth ...

Harnessing quantum states that avoid thermalization enables energy harvesters to surpass traditional thermodynamic limits ...

Atoms in crystalline solids sometimes vibrate in unison, giving rise to emergent phenomena known as phonons. Because these ...

The Solid Fuel Ramjet (SFRJ) and the Hypersonic Dual-Mode Ramjet (DMRJ) are seeing rapid success as the U.S. hikes spending and development of hypersonic ...

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