One of his more interesting builds is his series on building rocket ... the PVC rocket didn’t use the usual potassium nitrate and sugar mixture of so many homebrew solid rockets.

The former Google chief executive is taking a controlling interest in Relativity Space, which aims to build low-cost, ...

Reaching orbit from NASA’s Kennedy Space Center, the newest crew includes NASA’s Anne McClain and Nichole Ayers, both ...

There was a problem though; solid rocket motors are far too common to be interesting, and even hybrid rocket engines are becoming passé. We’ve never seen a liquid-fuel rocket build before ...

In a separate incident, another upper rocket portion failed during stress testing and exploded, the people said ... and ...