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 ...

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, ...

We may receive a commission on purchases made from links. No matter the type of car you drive, whether a diesel truck, a hybrid SUV, or a turbocharged sedan, a vacuum system is really important. The ...