Isaac Asimov described the business of rocket fuel research as “playing footsie with liquids from Hell.” If that piques your interest even a little, even if you do nothing else today, read the first ...

[Joe Barnard] made a solid propellant rocket motor, and as one does in such situations, he put it through its paces on the test stand. The video below is not about the test, nor is it about the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul Sutter is an astrophysicist at The Ohio State University and the chief scientist at COSI ...