In my 35-plus years of working on cars, I have encountered nearly every frustrating troubleshooting problem in the book. Part of the issue stems from my affinity for old Jeeps and classic cars, which ...

SpaceX has notched up another milestone in the development of Starship, fixing its Raptor Vacuum engine to the spacecraft and test-firing it for the first time. This marks another important step in ...

No matter how tightly within the prescribed specifications an engine's piston clearance and ring tension are in its cylinders, a certain amount of fuel and combustion vapor slips past and enters the ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

Alliant Techsystems recently demonstrated a critical capability of its liquid oxygen (LOX)/Methane rocket engine by igniting it in a vacuum chamber. The successful ignition test was designed to ...

Carl Arentz bought his 1964 Chevelle two years ago, well used but running. "I'm well aware that it's an old dog that should have been put down," he says, "but I can't bear to see these cars go to the ...

SpaceX keeps notching Starship milestones. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. An important piece of SpaceX's new Starship megarocket ...